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  • 81407. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 207, Number 4426.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81408. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 207, Number 4427.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81409. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 207, Number 4428.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81410. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 207, Number 4429.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81411. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 207, Number 4430.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81412. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 207, Number 4431.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81413. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 207, Number 4432.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81416. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 207, Number 4433.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81417. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 207, Number 4434.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81418. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 207, Number 4435.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81419. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 207, Number 4436.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81420. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 207, Number 4437.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81421. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 207, Number 4438.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81422. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 208, Number 4439.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81423. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 208, Number 4440.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81424. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 208, Number 4441.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81425. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 208, Number 4442.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81426. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 208, Number 4443.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81427. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 208, Number 4444.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81428. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 208, Number 4445.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81429. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 208, Number 4446.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81430. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 208, Number 4447.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81431. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 208, Number 4449.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81432. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 208, Number 4450.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81433. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 208, Number 4451.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81434. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 209, Number 4452.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81435. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 209, Number 4453.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81436. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 209, Number 4454.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81437. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 209, Number 4455.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81438. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 209, Number 4456.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81440. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 209, Number 4458.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81441. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 209, Number 4459.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81442. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 209, Number 4460.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81443. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 209, Number 4461.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81445. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 209, Number 4462.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81447. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 209, Number 4463.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81448. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 209, Number 4464.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81449. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 210, Number 4465.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81450. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 210, Number 4466.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81451. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 210, Number 4467.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81452. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 210, Number 4468.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81453. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 210, Number 4470.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81454. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 210, Number 4471.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81455. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 210, Number 4472.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81456. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 210, Number 4473.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81457. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 210, Number 4474.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81458. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 210, Number 4475.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81459. AAAS.   Science.   American Association for the Advancement of Science, 1980, Science, Volume 210, Number 4476.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81460. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 211, Number 4477.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81461. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 211, Number 4478.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81462. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 211, Number 4479.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81463. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 211, Number 4480.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81465. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 211, Number 4482.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81466. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 211, Number 4484.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81467. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 211, Number 4485.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81468. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 211, Number 4486.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81469. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 211, Number 4487.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81470. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 211, Number 4488.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81473. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 212, Number 4490.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81474. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 212, Number 4491.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81475. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 212, Number 4492.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81476. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 212, Number 4493.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81477. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 212, Number 4494.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81478. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 212, Number 4495.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81479. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 212, Number 4496.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81482. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 212, Number 4497.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81483. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 212, Number 4498.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81484. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 212, Number 4499.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81485. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 212, Number 4500.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81486. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 212, Number 4501.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81487. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 212, Number 4502.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81488. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 213, Number 4503.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81491. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 213, Number 4505.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81492. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 213, Number 4506.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81493. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 213, Number 4507.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81494. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 213, Number 4508.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81495. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 213, Number 4509.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81496. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 213, Number 4510.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81502. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 213, Number 4511.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81503. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 213, Number 4512.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81505. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 213, Number 4513.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81507. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 213, Number 4514.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81510. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 214, Number 4516.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81511. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 214, Number 4518.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81512. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 214, Number 4519.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81513. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 214, Number 4520.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81514. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 214, Number 4521.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81515. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 214, Number 4522.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81516. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 214, Number 4523.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81517. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 214, Number 4525.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81518. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 214, Number 4526.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81519. AAAS.   Science.   American Association for the Advancement of Science, 1981, Science, Volume 214, Number 4527.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81520. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 215, Number 4528.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81521. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 215, Number 4529.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81522. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 215, Number 4530.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81526. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 215, Number 4531.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81527. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 215, Number 4532.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81528. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 215, Number 4533.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81529. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 215, Number 4534.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81530. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 215, Number 4535.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81531. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 215, Number 4536.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81532. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 215, Number 4537.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81534. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 215, Number 4539.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81535. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 215, Number 4540.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81536. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 216, Number 4541.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81537. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 216, Number 4543.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81539. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 216, Number 4545.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81540. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 216, Number 4546.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81541. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 216, Number 4547.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81542. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 216, Number 4548.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81543. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 216, Number 4549.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81544. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 216, Number 4550.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81545. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 216, Number 4551.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81546. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 216, Number 4552.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81547. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 216, Number 4553.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81548. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 217, Number 4554.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81549. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 217, Number 4555.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81550. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 217, Number 4556.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81551. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 217, Number 4557.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81552. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 217, Number 4558.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81553. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 217, Number 4559.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81554. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 217, Number 4560.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81555. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 217, Number 4561.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81556. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 217, Number 4562.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81557. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 217, Number 4563.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81558. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 217, Number 4564.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81559. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 217, Number 4565.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81560. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 217, Number 4566.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81561. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 218, Number 4567.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81562. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 218, Number 4568.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81563. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 218, Number 4569.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81564. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 218, Number 4570.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81565. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 218, Number 4571.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81566. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 218, Number 4572.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81567. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 218, Number 4573.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81568. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 218, Number 4576.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81569. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 218, Number 4577.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81570. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 218, Number 4578.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81571. AAAS.   Science.   American Association for the Advancement of Science, 1982, Science, Volume 218, Number 4579.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81572. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 219, Number 4580.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81573. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 219, Number 4581.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81574. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 219, Number 4582.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81575. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 219, Number 4583.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81576. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 219, Number 4584.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81577. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 219, Number 4585.   Softbound, usual signs of use, text in very good condition.    $8.00

  • 81578. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 219, Number 4586.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81580. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 219, Number 4587.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81581. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 219, Number 4588.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81582. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 219, Number 4589.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81583. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 219, Number 4590.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81586. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 219, Number 4591.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81587. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 220, Number 4592.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81588. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 220, Number 4593.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81589. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 220, Number 4594.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81590. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 220, Number 4595.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81591. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 220, Number 4596.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81592. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 220, Number 4597.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81593. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 220, Number 4598.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81594. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 220, Number 4600.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81595. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 220, Number 4601.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81596. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 220, Number 4602.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81597. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 220, Number 4603.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81598. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 220, Number 4604.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81599. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 221, Number 4605.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81600. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 221, Number 4606.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81601. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 221, Number 4607.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81602. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 221, Number 4608.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81603. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 221, Number 4609.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81604. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 221, Number 4610.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81605. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 221, Number 4611.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81606. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 221, Number 4612.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81607. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 221, Number 4613.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81608. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 221, Number 4614.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81609. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 221, Number 4615.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81610. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 221, Number 4616.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81611. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 221, Number 4617.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81612. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 221, Number 4618.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81613. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 222, Number 4619.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81614. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 222, Number 4620.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81615. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 222, Number 4621.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81616. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 222, Number 4622.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81617. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 222, Number 4623.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81618. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 222, Number 4624.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81619. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 222, Number 4625.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81620. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 222, Number 4626.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81621. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 222, Number 4627.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81622. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 222, Number 4628.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81623. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 222, Number 4629.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81624. AAAS.   Science.   American Association for the Advancement of Science, 1983, Science, Volume 222, Number 4630.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81625. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 223, Number 4631.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81626. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 223, Number 4632.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81627. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 223, Number 4633.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81628. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 223, Number 4634.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81629. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 223, Number 4635.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81630. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 223, Number 4636.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81631. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 223, Number 4637.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81632. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 223, Number 4638.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81633. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 223, Number 4639.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81634. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 223, Number 4640.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81635. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 223, Number 4641.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81636. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 223, Number 4642.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81637. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 223, Number 4643.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81638. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 224, Number 4644.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81639. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 224, Number 4645.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81640. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 224, Number 4646.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81641. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 224, Number 4647.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81643. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 224, Number 4649.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81644. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 224, Number 4650.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81645. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 224, Number 4651.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81646. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 224, Number 4652.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81647. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 224, Number 4653.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81648. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 224, Number 4654.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81649. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 224, Number 4655.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81650. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 224, Number 4656.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81652. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 225, Number 4658.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81653. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 225, Number 4659.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81654. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 225, Number 4660.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81655. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 225, Number 4661.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81656. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 225, Number 4662.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81657. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 225, Number 4663.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81659. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 225, Number 4665.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81660. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 225, Number 4666.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81661. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 225, Number 4667.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81662. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 225, Number 4668.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81663. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 225, Number 4669.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81664. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 226, Number 4670.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81665. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 226, Number 4671.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81666. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 226, Number 4672.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81667. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 226, Number 4673.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81668. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 226, Number 4674.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81669. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 226, Number 4675.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81670. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 226, Number 4676.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81671. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 226, Number 4677.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81672. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 226, Number 4678.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81673. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 226, Number 4679.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81674. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 226, Number 4680.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81675. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 226, Number 4681.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81676. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 227, Number 4682.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81677. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 227, Number 4683.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81678. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 227, Number 4684.   Softbound, usual signs of use, text in very good condition.    $5.00

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  • 81680. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 227, Number 4686.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81681. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 227, Number 4687.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81682. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 227, Number 4688.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81683. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 227, Number 4689.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81684. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 227, Number 4690.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81685. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 227, Number 4691.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81687. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 227, Number 4692.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81688. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 227, Number 4693.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81689. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 227, Number 4694.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81690. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 228, Number 4695.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81691. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 228, Number 4696.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81692. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 228, Number 4697.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81693. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 228, Number 4698.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81694. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 228, Number 4699.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81695. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 228, Number 4700.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81696. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 228, Number 4701.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81697. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 228, Number 4702.   Softbound, usual signs of use, text in very good condition.    $5.00

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  • 81699. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 228, Number 4704.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81700. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 228, Number 4705.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81701. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 228, Number 4706.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81702. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 228, Number 4707.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81703. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 229, Number 4708.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81704. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 229, Number 4709.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81705. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 229, Number 4710.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81706. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 229, Number 4711.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81707. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 229, Number 4712.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81708. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 229, Number 4713.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81709. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 229, Number 4714.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81710. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 229, Number 4715.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81711. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 229, Number 4716.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81713. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 229, Number 4717.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81714. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 229, Number 4718.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81715. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 229, Number 4719.   Softbound, moisture stains, good minus condition.    $1.00

  • 81716. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 230, Number 4721.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81717. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 230, Number 4721.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81718. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 230, Number 4722.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81719. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 230, Number 4723.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81720. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 230, Number 4724.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81721. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 230, Number 4725.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81722. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 230, Number 4726.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81723. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 230, Number 4727.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81724. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 230, Number 4728.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81725. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 230, Number 4729.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81726. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 230, Number 4730.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81727. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 230, Number 4731.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81728. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 231, Number 4733.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81729. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 231, Number 4734.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81730. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 231, Number 4735.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81731. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 231, Number 4736.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81732. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 231, Number 4738.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81733. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 231, Number 4739.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81734. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 231, Number 4740.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81735. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 231, Number 4741.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81736. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 231, Number 4742.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81737. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 231, Number 4743.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81738. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 231, Number 4744.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81739. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 231, Number 4745.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81740. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 232, Number 4746.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81741. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 232, Number 4747.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81742. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 232, Number 4748.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81743. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 232, Number 4749.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81744. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 232, Number 4750.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81745. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 232, Number 4752.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81746. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 232, Number 4753.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81747. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 232, Number 4754.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81749. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 232, Number 4755.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81750. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 232, Number 4756.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81751. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 232, Number 4757.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81752. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 232, Number 4758.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81753. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 233, Number 4759.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81754. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 233, Number 4760.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81756. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 233, Number 4762.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81757. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 233, Number 4763.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81758. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 233, Number 4764.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81759. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 233, Number 4765.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81760. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 233, Number 4766.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81761. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 233, Number 4767.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81762. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 233, Number 4768.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81763. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 233, Number 4769.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81764. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 233, Number 4770.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81765. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 233, Number 4771.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81767. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 234, Number 4772.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81768. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 234, Number 4773.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81769. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 234, Number 4774.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81771. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 234, Number 4775.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81772. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 234, Number 4776.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81773. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 234, Number 4777.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81774. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 234, Number 4778.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81775. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 234, Number 4779.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81776. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 234, Number 4780.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81777. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 234, Number 4781.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81778. AAAS.   Science.   American Association for the Advancement of Science, 1986, Science, Volume 234, Number 4782.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81779. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 235, Number 4784.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81780. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 235, Number 4785.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81781. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 235, Number 4786.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81782. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 235, Number 4787.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81783. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 235, Number 4788.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81784. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 235, Number 4789.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81785. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 235, Number 4790.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81786. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 235, Number 4791.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81787. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 235, Number 4792.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81792. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 235, Number 4793.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81793. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 235, Number 4794.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81795. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 235, Number 4795.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81796. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 235, Number 4796.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81797. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 236, Number 4797.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81798. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 236, Number 4798.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81799. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 236, Number 4799.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81800. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 236, Number 4800.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81801. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 236, Number 4801.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81802. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 236, Number 4802.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81803. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 236, Number 4803.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81804. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 236, Number 4804.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81806. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 236, Number 4805.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81807. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 236, Number 4806.   Softbound, usual signs of use, text in very good condition.    $8.00

  • 81808. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 236, Number 4807.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81810. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 236, Number 4808.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81811. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 236, Number 4809.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81812. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 237, Number 4811.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81813. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 237, Number 4813.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81814. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 237, Number 4814.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81815. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 237, Number 4815.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81816. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 237, Number 4816.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81817. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 237, Number 4817.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81818. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 237, Number 4818.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81819. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 237, Number 4819.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81820. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 237, Number 4820.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81821. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 237, Number 4821.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81822. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 237, Number 4822.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81823. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 238, Number 4823.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81825. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 238, Number 4824.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81826. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 238, Number 4825.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81828. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 238, Number 4826.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81829. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 238, Number 4827.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81830. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 238, Number 4828.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81831. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 238, Number 4829.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81832. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 238, Number 4830.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81833. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 238, Number 4831.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81834. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 238, Number 4832.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81835. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 238, Number 4833.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81836. AAAS.   Science.   American Association for the Advancement of Science, 1987, Science, Volume 238, Number 4834.   Softbound, usual signs of use, text in very good condition.    $5.00

  • 81405. AAAS.   Science.   American Association for the Advancement of Science, 1990, Science, Volume 250, Number 4986.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81406. AAAS.   Science.   American Association for the Advancement of Science, 1991, Science, Volume 251, Number 4991.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81392. AAAS.   Science.   American Association for the Advancement of Science, 1992, Science, Volume 255, Number 5040.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81393. AAAS.   Science.   American Association for the Advancement of Science, 1992, Science, Volume 255, Number 5041.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81394. AAAS.   Science.   American Association for the Advancement of Science, 1992, Science, Volume 255, Number 5042.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81395. AAAS.   Science.   American Association for the Advancement of Science, 1992, Science, Volume 255, Number 5043.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81396. AAAS.   Science.   American Association for the Advancement of Science, 1992, Science, Volume 255, Number 5044.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81397. AAAS.   Science.   American Association for the Advancement of Science, 1992, Science, Volume 255, Number 5045.   Softbound, xlib, some moisture damage, text in good condition.    $3.00

  • 81398. AAAS.   Science.   American Association for the Advancement of Science, 1992, Science, Volume 255, Number 5046.   Softbound, xlib, some moisture damage, fair condition.    $1.00

  • 81399. AAAS.   Science.   American Association for the Advancement of Science, 1992, Science, Volume 255, Number 5047.   Softbound, xlib, some moisture damage, fair condition.    $1.00

  • 81400. AAAS.   Science.   American Association for the Advancement of Science, 1992, Science, Volume 255, Number 5048.   Softbound, xlib, some moisture damage, text in good condition.    $3.00

  • 81401. AAAS.   Science.   American Association for the Advancement of Science, 1992, Science, Volume 255, Number 5049.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81402. AAAS.   Science.   American Association for the Advancement of Science, 1992, Science, Volume 255, Number 5050.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81403. AAAS.   Science.   American Association for the Advancement of Science, 1992, Science, Volume 255, Number 5051.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81404. AAAS.   Science.   American Association for the Advancement of Science, 1992, Science, Volume 255, Number 5052.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81391. AAAS.   Science.   American Association for the Advancement of Science, 1992, Science, Volume 256, Number 5053.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81390. AAAS.   Science.   American Association for the Advancement of Science, 1992, Science, Volume 256, Number 5054.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81389. AAAS.   Science.   American Association for the Advancement of Science, 1992, Science, Volume 256, Number 5055.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81300. AAAS.   Science.   American Association for the Advancement of Science, 1998, Science, Volume 279, Number 5357.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81304. AAAS.   Science.   American Association for the Advancement of Science, 1998, Science, Volume 280, Number 5361.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81305. AAAS.   Science.   American Association for the Advancement of Science, 1998, Science, Volume 280, Number 5362.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81307. AAAS.   Science.   American Association for the Advancement of Science, 1998, Science, Volume 280, Number 5364.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81308. AAAS.   Science.   American Association for the Advancement of Science, 1998, Science, Volume 280, Number 5365.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81309. AAAS.   Science.   American Association for the Advancement of Science, 1998, Science, Volume 280, Number 5366.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81310. AAAS.   Science.   American Association for the Advancement of Science, 1998, Science, Volume 280, Number 5367.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81311. AAAS.   Science.   American Association for the Advancement of Science, 1998, Science, Volume 280, Number 5371.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81312. AAAS.   Science.   American Association for the Advancement of Science, 1998, Science, Volume 280, Number 5372.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81313. AAAS.   Science.   American Association for the Advancement of Science, 1998, Science, Volume 281, Number 5373.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81314. AAAS.   Science.   American Association for the Advancement of Science, 1998, Science, Volume 281, Number 5375.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81316. AAAS.   Science.   American Association for the Advancement of Science, 1998, Science, Volume 281, Number 5377.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81317. AAAS.   Science.   American Association for the Advancement of Science, 1998, Science, Volume 281, Number 5378.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81318. AAAS.   Science.   American Association for the Advancement of Science, 1998, Science, Volume 281, Number 5379.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81319. AAAS.   Science.   American Association for the Advancement of Science, 1998, Science, Volume 281, Number 5380.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81320. AAAS.   Science.   American Association for the Advancement of Science, 1998, Science, Volume 281, Number 5381.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81321. AAAS.   Science.   American Association for the Advancement of Science, 1998, Science, Volume 281, Number 5382.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81322. AAAS.   Science.   American Association for the Advancement of Science, 1998, Science, Volume 281, Number 5383.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81323. AAAS.   Science.   American Association for the Advancement of Science, 1998, Science, Volume 281, Number 5384.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81324. AAAS.   Science.   American Association for the Advancement of Science, 1998, Science, Volume 282, Number 5386.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81325. AAAS.   Science.   American Association for the Advancement of Science, 1998, Science, Volume 282, Number 5387.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81326. AAAS.   Science.   American Association for the Advancement of Science, 1998, Science, Volume 282, Number 5388.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81327. AAAS.   Science.   American Association for the Advancement of Science, 1998, Science, Volume 282, Number 5389.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81328. AAAS.   Science.   American Association for the Advancement of Science, 1998, Science, Volume 282, Number 5390.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81329. AAAS.   Science.   American Association for the Advancement of Science, 1998, Science, Volume 282, Number 5391.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81330. AAAS.   Science.   American Association for the Advancement of Science, 1998, Science, Volume 282, Number 5392.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81331. AAAS.   Science.   American Association for the Advancement of Science, 1998, Science, Volume 282, Number 5393.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81332. AAAS.   Science.   American Association for the Advancement of Science, 1998, Science, Volume 282, Number 5394.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81333. AAAS.   Science.   American Association for the Advancement of Science, 1998, Science, Volume 282, Number 5395.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81334. AAAS.   Science.   American Association for the Advancement of Science, 1998, Science, Volume 282, Number 5396.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81335. AAAS.   Science.   American Association for the Advancement of Science, 1998, Science, Volume 282, Number 5397.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81341. AAAS.   Science.   American Association for the Advancement of Science, 1999, Science, Volume 283, Number 5402.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81342. AAAS.   Science.   American Association for the Advancement of Science, 1999, Science, Volume 283, Number 5403.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81346. AAAS.   Science.   American Association for the Advancement of Science, 1999, Science, Volume 283, Number 5407.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81348. AAAS.   Science.   American Association for the Advancement of Science, 1999, Science, Volume 283, Number 5409.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81350. AAAS.   Science.   American Association for the Advancement of Science, 1999, Science, Volume 284, Number 5411.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81351. AAAS.   Science.   American Association for the Advancement of Science, 1999, Science, Volume 284, Number 5412.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81352. AAAS.   Science.   American Association for the Advancement of Science, 1999, Science, Volume 284, Number 5413.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81353. AAAS.   Science.   American Association for the Advancement of Science, 1999, Science, Volume 284, Number 5414.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81354. AAAS.   Science.   American Association for the Advancement of Science, 1999, Science, Volume 284, Number 5415.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81355. AAAS.   Science.   American Association for the Advancement of Science, 1999, Science, Volume 284, Number 5416.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81358. AAAS.   Science.   American Association for the Advancement of Science, 1999, Science, Volume 284, Number 5419.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81359. AAAS.   Science.   American Association for the Advancement of Science, 1999, Science, Volume 284, Number 5420.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81362. AAAS.   Science.   American Association for the Advancement of Science, 1999, Science, Volume 284, Number 5423.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81367. AAAS.   Science.   American Association for the Advancement of Science, 1999, Science, Volume 285, Number 5428.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81369. AAAS.   Science.   American Association for the Advancement of Science, 1999, Science, Volume 285, Number 5430.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81371. AAAS.   Science.   American Association for the Advancement of Science, 1999, Science, Volume 285, Number 5432.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81373. AAAS.   Science.   American Association for the Advancement of Science, 1999, Science, Volume 285, Number 5434.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81376. AAAS.   Science.   American Association for the Advancement of Science, 1999, Science, Volume 286, Number 5437.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81378. AAAS.   Science.   American Association for the Advancement of Science, 1999, Science, Volume 286, Number 5439.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81379. AAAS.   Science.   American Association for the Advancement of Science, 1999, Science, Volume 286, Number 5440.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81383. AAAS.   Science.   American Association for the Advancement of Science, 1999, Science, Volume 286, Number 5444.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81384. AAAS.   Science.   American Association for the Advancement of Science, 1999, Science, Volume 286, Number 5445.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81385. AAAS.   Science.   American Association for the Advancement of Science, 1999, Science, Volume 286, Number 5446.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81386. AAAS.   Science.   American Association for the Advancement of Science, 1999, Science, Volume 286, Number 5447.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81387. AAAS.   Science.   American Association for the Advancement of Science, 1999, Science, Volume 286, Number 5448.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81388. AAAS.   Science.   American Association for the Advancement of Science, 1999, Science, Volume 286, Number 5449.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81126. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 287, Number 5450.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81127. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 287, Number 5451.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81128. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 287, Number 5452.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81129. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 287, Number 5453.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81130. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 287, Number 5454.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81131. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 287, Number 5455.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81132. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 287, Number 5456.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81133. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 287, Number 5458.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81134. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 287, Number 5459.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81135. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 287, Number 5461.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81136. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 287, Number 5462.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81137. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 288, Number 5463.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81138. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 288, Number 5464.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81139. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 288, Number 5465.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81140. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 288, Number 5466.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81141. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 288, Number 5467.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81142. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 288, Number 5468.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81143. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 288, Number 5469.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81144. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 288, Number 5470.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81145. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 288, Number 5471.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81146. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 288, Number 5472.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81147. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 288, Number 5473.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81148. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 288, Number 5474.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81149. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 288, Number 5475.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81150. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 289, Number 5476.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81151. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 289, Number 5477.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81152. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 289, Number 5478.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81153. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 289, Number 5479.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81155. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 289, Number 5482.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81156. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 289, Number 5483.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81157. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 289, Number 5484.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81158. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 289, Number 5485.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81159. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 289, Number 5486.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81160. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 289, Number 5487.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81161. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 289, Number 5488.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81162. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 290, Number 5489.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81163. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 290, Number 5490.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81165. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 290, Number 5491.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81166. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 290, Number 5492.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81167. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 290, Number 5493.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81168. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 290, Number 5494.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81169. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 290, Number 5495.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81170. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 290, Number 5496.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81171. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 290, Number 5497.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81172. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 290, Number 5498.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81173. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 290, Number 5499.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81174. AAAS.   Science.   American Association for the Advancement of Science, 2000, Science, Volume 290, Number 5500.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81123. AAAS.   Science.   American Association for the Advancement of Science, 2001, Science, Volume 293, Number 5531.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81124. AAAS.   Science.   American Association for the Advancement of Science, 2001, Science, Volume 293, Number 5543.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81125. AAAS.   Science.   American Association for the Advancement of Science, 2001, Science, Volume 293, Number 5549.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81121. AAAS.   Science.   American Association for the Advancement of Science, 2002, Science, Volume 295, Number 5554.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81122. AAAS.   Science.   American Association for the Advancement of Science, 2002, Science, Volume 295, Number 5555.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81115. AAAS.   Science.   American Association for the Advancement of Science, 2002, Science, Volume 296, Number 5569.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81116. AAAS.   Science.   American Association for the Advancement of Science, 2002, Science, Volume 296, Number 5570.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81117. AAAS.   Science.   American Association for the Advancement of Science, 2002, Science, Volume 296, Number 5571.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81118. AAAS.   Science.   American Association for the Advancement of Science, 2002, Science, Volume 296, Number 5573.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81119. AAAS.   Science.   American Association for the Advancement of Science, 2002, Science, Volume 296, Number 5574.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81120. AAAS.   Science.   American Association for the Advancement of Science, 2002, Science, Volume 296, Number 5577.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81107. AAAS.   Science.   American Association for the Advancement of Science, 2003, Science, Volume 300, Number 5622.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81108. AAAS.   Science.   American Association for the Advancement of Science, 2003, Science, Volume 300, Number 5623.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81109. AAAS.   Science.   American Association for the Advancement of Science, 2003, Science, Volume 300, Number 5625.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81110. AAAS.   Science.   American Association for the Advancement of Science, 2003, Science, Volume 300, Number 5626.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81111. AAAS.   Science.   American Association for the Advancement of Science, 2003, Science, Volume 300, Number 5627.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81112. AAAS.   Science.   American Association for the Advancement of Science, 2003, Science, Volume 300, Number 5628.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81095. AAAS.   Science.   American Association for the Advancement of Science, 2003, Science, Volume 302, Number 5629.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81096. AAAS.   Science.   American Association for the Advancement of Science, 2003, Science, Volume 302, Number 5630.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81097. AAAS.   Science.   American Association for the Advancement of Science, 2003, Science, Volume 302, Number 5631.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81098. AAAS.   Science.   American Association for the Advancement of Science, 2003, Science, Volume 302, Number 5632.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81099. AAAS.   Science.   American Association for the Advancement of Science, 2003, Science, Volume 302, Number 5633.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81100. AAAS.   Science.   American Association for the Advancement of Science, 2003, Science, Volume 302, Number 5634.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81101. AAAS.   Science.   American Association for the Advancement of Science, 2003, Science, Volume 302, Number 5635.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81102. AAAS.   Science.   American Association for the Advancement of Science, 2003, Science, Volume 302, Number 5636.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81103. AAAS.   Science.   American Association for the Advancement of Science, 2003, Science, Volume 302, Number 5637.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81104. AAAS.   Science.   American Association for the Advancement of Science, 2003, Science, Volume 302, Number 5638.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81105. AAAS.   Science.   American Association for the Advancement of Science, 2003, Science, Volume 302, Number 5639.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81106. AAAS.   Science.   American Association for the Advancement of Science, 2003, Science, Volume 302, Number 5640.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81083. AAAS.   Science.   American Association for the Advancement of Science, 2003, Science, Volume 302, Number 5642.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81084. AAAS.   Science.   American Association for the Advancement of Science, 2003, Science, Volume 302, Number 5643.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81085. AAAS.   Science.   American Association for the Advancement of Science, 2003, Science, Volume 302, Number 5644.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81086. AAAS.   Science.   American Association for the Advancement of Science, 2003, Science, Volume 302, Number 5645.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81087. AAAS.   Science.   American Association for the Advancement of Science, 2003, Science, Volume 302, Number 5646.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81088. AAAS.   Science.   American Association for the Advancement of Science, 2003, Science, Volume 302, Number 5647.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81089. AAAS.   Science.   American Association for the Advancement of Science, 2003, Science, Volume 302, Number 5648.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81090. AAAS.   Science.   American Association for the Advancement of Science, 2003, Science, Volume 302, Number 5649.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81091. AAAS.   Science.   American Association for the Advancement of Science, 2003, Science, Volume 302, Number 5650.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81092. AAAS.   Science.   American Association for the Advancement of Science, 2003, Science, Volume 302, Number 5651.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81093. AAAS.   Science.   American Association for the Advancement of Science, 2003, Science, Volume 302, Number 5652.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81094. AAAS.   Science.   American Association for the Advancement of Science, 2003, Science, Volume 302, Number 5653.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81071. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 303, Number 5654.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81072. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 303, Number 5655.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81073. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 303, Number 5656.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81074. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 303, Number 5657.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81075. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 303, Number 5658.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81077. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 303, Number 5661.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81078. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 303, Number 5662.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81079. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 303, Number 5663.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81080. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 303, Number 5664.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81081. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 303, Number 5665.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81082. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 303, Number 5666.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81059. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 304, Number 5667.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81060. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 304, Number 5668.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81061. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 304, Number 5669.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81062. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 304, Number 5670.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81063. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 304, Number 5671.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81064. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 304, Number 5673.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81065. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 304, Number 5674.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81066. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 304, Number 5675.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81067. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 304, Number 5676.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81068. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 304, Number 5677.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81069. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 304, Number 5678.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81070. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 304, Number 5679.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81047. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 305, Number 5680.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81048. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 305, Number 5681.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81049. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 305, Number 5682.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81050. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 305, Number 5683.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81052. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 305, Number 5684.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81053. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 305, Number 5685.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81054. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 305, Number 5686.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81055. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 305, Number 5688.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81056. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 305, Number 5689.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81057. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 305, Number 5690.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81058. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 305, Number 5691.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81038. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 306, Number 5697.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81039. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 306, Number 5698.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81040. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 306, Number 5699.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81041. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 306, Number 5700.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81042. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 306, Number 5701.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81043. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 306, Number 5702.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81044. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 306, Number 5703.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81045. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 306, Number 5704.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81046. AAAS.   Science.   American Association for the Advancement of Science, 2004, Science, Volume 306, Number 5705.   Softbound, xlib, minor signs of use, text in very good condition.    $5.00

  • 81006. Benet, W. R.   The Reader's Encyclopedia. Second Edition. Deluxe Library Binding including eight portfolios of full page illustration in two volumes.   Thomas Y. Crowell Company, New York, 1965, , Volume 1 and 2.   Hardbound, minor signs of use, very good condition.    $42.00

  • 81030. Bohlen, S. R. et al.   Geology for a Changing World: A Science Strategy for the Geologic Division of the U.S. Geological Survey, 2000-2010.   United States Geological Survey, Washington, D.C, 1999, U.S. Geological Survey Circular, C 1172 : 59 pages with illustrations.   Softbound, very good condition.    $13.00

  • 81236. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1985, American Journal of Botany, Volume 72, Number 1 .   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81245. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1985, American Journal of Botany, Volume 72, Number 10.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81246. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1985, American Journal of Botany, Volume 72, Number 11.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81247. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1985, American Journal of Botany, Volume 72, Number 12.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81238. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1985, American Journal of Botany, Volume 72, Number 3.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81239. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1985, American Journal of Botany, Volume 72, Number 4.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81240. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1985, American Journal of Botany, Volume 72, Number 5.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81241. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1985, American Journal of Botany, Volume 72, Number 6.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81242. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1985, American Journal of Botany, Volume 72, Number 7.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81243. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1985, American Journal of Botany, Volume 72, Number 8.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81244. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1985, American Journal of Botany, Volume 72, Number 9.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81279. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1986, American Journal of Botany, Volume 73, Number 1 .   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81288. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1986, American Journal of Botany, Volume 73, Number 11.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81289. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1986, American Journal of Botany, Volume 73, Number 12.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81281. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1986, American Journal of Botany, Volume 73, Number 3.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81282. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1986, American Journal of Botany, Volume 73, Number 4.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81283. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1986, American Journal of Botany, Volume 73, Number 6.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81284. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1986, American Journal of Botany, Volume 73, Number 7.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81285. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1986, American Journal of Botany, Volume 73, Number 8.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81286. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1986, American Journal of Botany, Volume 73, Number 9.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81268. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1987, American Journal of Botany, Volume 74, Number 1 .   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81276. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1987, American Journal of Botany, Volume 74, Number 10.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81277. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1987, American Journal of Botany, Volume 74, Number 11.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81278. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1987, American Journal of Botany, Volume 74, Number 12.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81270. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1987, American Journal of Botany, Volume 74, Number 3.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81271. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1987, American Journal of Botany, Volume 74, Number 4.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81272. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1987, American Journal of Botany, Volume 74, Number 6.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81273. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1987, American Journal of Botany, Volume 74, Number 7.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81274. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1987, American Journal of Botany, Volume 74, Number 8.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81275. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1987, American Journal of Botany, Volume 74, Number 9.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81259. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1988, American Journal of Botany, Volume 75, Number 1 .   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81266. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1988, American Journal of Botany, Volume 75, Number 11.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81267. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1988, American Journal of Botany, Volume 75, Number 12.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81261. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1988, American Journal of Botany, Volume 75, Number 3.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81262. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1988, American Journal of Botany, Volume 75, Number 4.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81263. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1988, American Journal of Botany, Volume 75, Number 5.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81264. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1988, American Journal of Botany, Volume 75, Number 6.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81265. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1988, American Journal of Botany, Volume 75, Number 7.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81258. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1989, American Journal of Botany, Volume 76, Number 11 : .   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81257. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1989, American Journal of Botany, Volume 76, Number 6 : .   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81254. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1990, American Journal of Botany, Volume 77, Number 10 : .   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81255. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1990, American Journal of Botany, Volume 77, Number 11 : .   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81256. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1990, American Journal of Botany, Volume 77, Number 12 : .   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81248. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1990, American Journal of Botany, Volume 77, Number 4, Supplement : .   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81249. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1990, American Journal of Botany, Volume 77, Number 5 : .   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81250. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1990, American Journal of Botany, Volume 77, Number 6 : .   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81251. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1990, American Journal of Botany, Volume 77, Number 7 : .   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81252. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1990, American Journal of Botany, Volume 77, Number 8 : .   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81253. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1990, American Journal of Botany, Volume 77, Number 9 : .   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81201. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1997, American Journal of Botany, Volume 84, Number 1 .   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81210. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1997, American Journal of Botany, Volume 84, Number 10.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81211. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1997, American Journal of Botany, Volume 84, Number 11.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81212. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1997, American Journal of Botany, Volume 84, Number 12.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81203. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1997, American Journal of Botany, Volume 84, Number 3.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81204. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1997, American Journal of Botany, Volume 84, Number 4.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81205. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1997, American Journal of Botany, Volume 84, Number 5.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81206. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1997, American Journal of Botany, Volume 84, Number 6.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81207. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1997, American Journal of Botany, Volume 84, Number 7.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81208. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1997, American Journal of Botany, Volume 84, Number 8.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81209. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 1997, American Journal of Botany, Volume 84, Number 9.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81189. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 2003, American Journal of Botany, Volume 90, Number 1 .   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81198. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 2003, American Journal of Botany, Volume 90, Number 10.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81199. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 2003, American Journal of Botany, Volume 90, Number 11.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81200. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 2003, American Journal of Botany, Volume 90, Number 12.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81191. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 2003, American Journal of Botany, Volume 90, Number 3.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81192. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 2003, American Journal of Botany, Volume 90, Number 4.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81193. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 2003, American Journal of Botany, Volume 90, Number 5.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81194. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 2003, American Journal of Botany, Volume 90, Number 6.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81195. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 2003, American Journal of Botany, Volume 90, Number 7.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81196. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 2003, American Journal of Botany, Volume 90, Number 8.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81197. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 2003, American Journal of Botany, Volume 90, Number 9.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81182. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 2004, American Journal of Botany, Volume 91, Number 1 .   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81188. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 2004, American Journal of Botany, Volume 91, Number 12.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81184. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 2004, American Journal of Botany, Volume 91, Number 5.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81185. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 2004, American Journal of Botany, Volume 91, Number 7.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81186. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 2004, American Journal of Botany, Volume 91, Number 8.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81187. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 2004, American Journal of Botany, Volume 91, Number 9.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81180. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 2005, American Journal of Botany, Volume 92, Number 11.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81181. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 2005, American Journal of Botany, Volume 92, Number 12.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81175. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 2005, American Journal of Botany, Volume 92, Number 3.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81176. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 2005, American Journal of Botany, Volume 92, Number 5.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81177. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 2005, American Journal of Botany, Volume 92, Number 6.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81178. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 2005, American Journal of Botany, Volume 92, Number 8.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81179. Botanical Society of America.   American Journal of Botany.   Botanical Society of America, 2005, American Journal of Botany, Volume 92, Number 9.   Softbound, minor signs of use, text in very good condition.    $6.00

  • 81035. Brodo, I. M. et al.   Lichens of North America.   Yale University Press, 2001, , 795 pages packed with illustrations.   Hardbound with very good dust jacket, previous owners name, very good condition.    $250.00

  • 81033. Buckmaster, J. L. and Mears, A. H.   Instrumental Improvements in Altimetry.   United States Geological Survey, Washington, D.C, 1958, U.S. Geological Survey Circular, C 405 : 33 pages with illustrations.   Softbound, previous owners name, minor signs of use, text in very good condition.    $8.00

  • 81014. Burbank, W. S. and Leudke, R. G.   Geology and Ore Deposits of the Eureka and Adjoining Districts San Juan Mountains, Colorado.   United States Geological Survey, Washington, D.C, 1969, U.S. Geological Survey Professional Paper, PP 535 : 234 pages with 8 plates, 15 figures and 15 tables.   Softbound, minor signs of use and age, text in very good condition.    $42.00

  • 81022. Christiansen, R. L. and Blank, H. R.   Volcanic Stratigraphy of the Quaternary Rhyolite Plateau in Yellowstone National Park.   United States Geological Survey, Washington, D.C, 1972, U.S. Geological Survey Professional Paper, PP 729-B : 18 pages with 3 figures and 1 table.   Softbound, tear to front cover, text in very good condition.    $13.00

  • 81019. Colman, S. M. and Pierce, K. L.   Weathering Rinds on Andesitic and Basaltic Stones as a Quaternary Age Indicator, Western United States.   United States Geological Survey, Washington, D.C, 1981, U.S. Geological Survey Professional Paper, PP 1210 : 56 pages with 21 figures and 7 tables.   Softbound, minor signs of use, very good condition.    $17.00

  • 81025. Dover, J. H. et al.   Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, Central Idaho: Stratigraphic and Structural Revisions, and New Data on Graptolite Faunas.   United States Geological Survey, Washington, D.C, 1980, U.S. Geological Survey Professional Paper, PP 1090 : 54 pages with 6 plates, 14 figures and 4 tables.   Softbound, previous owner name, signs of use, good condition.    $17.00

  • 81026. Drake, A. A.   Tectonic Implications of the Indian Formation: A Newly Recognized Sedimentary Melange in the Northern Virginia Piedmont.   United States Geological Survey, Washington, D.C, 1985, U.S. Geological Survey Professional Paper, PP 1324 : 12 pages with 1 plate, 7 figures and 1 table.   Softbound, previous owner name, minor cover wear, text and plates in very good condition.    $13.00

  • 81027. Drake, A. A. and Lyttle, P. T.   The Accotink Schist, Lake Barcroft Metasandstone, and Popes Head Formation: Keys to an Understanding of the Tectonic Evolution of the Northern Virginia Piedmont.   United States Geological Survey, Washington, D.C, 1981, U.S. Geological Survey Professional Paper, PP 1205 : 16 pages with 1 plate, 12 figures and 1 table.   Softbound, previous owner name, minor cover wear, text and plates in very good condition.    $13.00

  • 81018. Flanagan, F. J.   Descriptions and Analyses of Eight New USGS Rock Standards.   United States Geological Survey, Washington, D.C, 1976, U.S. Geological Survey Professional Paper, PP 840 : 192 pages with 10 figures and 109 tables.   Softbound, some minor sun fading to covers, text in very good condition.    $42.00

  • 81005. Gardner, J.   The Life and Times of Chaucer.   Alfred A. Knopf, New York, 1977, , 328 pages.   Hardbound with good plus dust jacket, text in very good condition.    $21.00

  • 81015. Hamilton, W.   Metamorphism in the Riggins Region Western Idaho.   United States Geological Survey, Washington, D.C, 1963, U.S. Geological Survey Professional Paper, PP 436 : 95 pages with 3 plates, 79 figures and 8 tables.   Hardbound, previous owner name, very good condition.   Benjamin F. Leonard's copy.   $38.00

  • 81002. Hamilton, W.   Geology and Petrogenesis of the Island Park Caldera of Rhyolite and Basalt Eastern Idaho.   United States Geological Survey, Washington, D.C, 1965, U.S. Geological Survey Professional Paper, PP 504-C : 37 pages with 1 plate, 15 figures and 1 table.   Softbound, very good condition.    $21.00

  • 81003. Hamilton, W. and Myers, W. B.   The Nature of Batholiths.   United States Geological Survey, Washington, D.C, 1967, U.S. Geological Survey Professional Paper, PP 554-C : 30 pages with 8 figures.   Softbound, very good condition.    $13.00

  • 81004. Hunt, C. B. et al.   Geology and Geography of the Henry Mountains Region Utah.   United States Geological Survey, Washington, D.C, 1953, U.S. Geological Survey Professional Paper, PP 228 : 234 pages with 23 plates, 116 figures and 9 tables.   Softbound, previous owner name, minor cover wear, text and plates in very good condition.    $64.00

  • 81010. Lee, D. E. and Van Loenen, R. E.   Hybrid Granitoid Rocks of the Southern Snake Range, Nevada.   United States Geological Survey, Washington, D.C, 1971, U.S. Geological Survey Professional Paper, PP 668 : 48 pages with 1 plates, 21 figures and 10 tables.   Softbound, some cover wear, good plus or better condition.    $21.00

  • 81016. Leonard, B. F. et al.   Silver-rich Disseminated Sulfides from a Tungsten-bearing Quartz Lode Big Creek District Central Idaho.   United States Geological Survey, Washington, D.C, 1968, U.S. Geological Survey Professional Paper, PP 594-C : 24 pages with 4 plates, 1 figure and 8 tables.   Softbound, minor signs of use and age, text in very good condition.    $21.00

  • 81017. Mason, B.   Data of Geochemistry, Sixth Edition. Chapter B. Cosmochemistry, Part 1. Meteorites.   United States Geological Survey, Washington, D.C, 1979, U.S. Geological Survey Professional Paper, PP 440-B-1 : 132 pages with 22 figures and 29 tables.   Softbound, very good condition.    $42.00

  • 81009. McKee, E. H.   Fish Creek Mountains Tuff and Volcanic Center, Lander County, Nevada.   United States Geological Survey, Washington, D.C, 1970, U.S. Geological Survey Professional Paper, PP 681 : 17 pages with 11 figures and 6 tables.   Softbound, minor cover wear, text and plates in very good condition.    $13.00

  • 81012. Oriel, S. S. and Armstrong, F. C.   Uppermost Precambrian and Lowest Cambrian Rocks in Southeastern Idaho.   United States Geological Survey, Washington, D.C, 1971, U.S. Geological Survey Professional Paper, PP 228 : 52 pages with 7 plates and 8 figures.   Softbound, usual cover wear, text and plates in very good condition.    $42.00

  • 81013. Ratte, J. C. and Steven, T. A.   Ash Flows and Related Volcanic Rocks Associated with the Creede Caldera San Juan Mountains Colorado.   United States Geological Survey, Washington, D.C, 1967, U.S. Geological Survey Professional Paper, PP 524-H : 58 pages with 1plate, 25 figures and 22 tables.   Softbound, minor signs of use and age, text in very good condition.    $21.00

  • 81036. Roessler, C.   The Underwater Wilderness: Life around the Great Reefs.   Chanticleer Press, New York, 1977, , 319 pages packed with full color illustrations.   Hardbound with very good dust jacket, very good condition.    $100.00

  • 81029. Ross, C. P.   Early Pleistocene Glaciation in Idaho.   United States Geological Survey, Washington, D.C, 1929, U.S. Geological Survey Professional Paper, PP 158-G : 6 pages with 4 plates and 1 figure.   Softbound, self-wrapped, front cover present but detached, usual signs of use and age, text and plates in good or better condition.    $8.00

  • 81020. Snyder, J. P. and Voxland, P. M.   An Album of Map Projections.   United States Geological Survey, Washington, D.C, 1989, U.S. Geological Survey Professional Paper, PP 1453 : 249 pages packed with illustrations.   Softbound, minor signs of use, very good condition.    $64.00

  • 81008. Staaz, M. H. et al.   Geology and Mineral Resources of the Lemhi Pass Thorium District, Idaho and Montana.   United States Geological Survey, Washington, D.C, 1979, U.S. Geological Survey Professional Paper, PP 1048-A : 90 pages with 2 plates, 34 figures and 24 tables.   Softbound, minor cover wear, text and plates in very good condition.    $42.00

  • 81037. Strunk, W. and White, E. B.   The Elements of Style.   The Macmillan Company, New York, 1959, , 71 pages.   Hardbound with torn dust jacket, minor signs of age, text in very good condition.   third printing.   $8.00

  • 81032. Sutphin, D. M. and Page, N. J.   International Strategic Minerals Inventory Summary Report: Platinum-Group Metals.   United States Geological Survey, Washington, D.C, 1986, U.S. Geological Survey Circular, C 930-E : 34 pages with illustrations.   Softbound, very good condition.    $13.00

  • 81034. Switzer, G. et al.   Tables of d Spacings for Angle 2theta CuKalpha, CuKalpha1, FeKalpha, FeKalpha1, FeKalpha2.   United States Geological Survey, Washington, D.C, 1948, U.S. Geological Survey Circular, C 29 : .   Softbound, home made archival cover, minor signs of age, text in very good condition.    $8.00

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