27299. Toksoz, N. N. and Johnston, D. H.   The Evolution of the Moon and The Terrestrial Planets.   NASA, Lunar Science Institute, 1974, Proceedings of the Soviet-American Conference on the Cosmochemistry of the Moon and Planets, 223 : 1-87.   Preprint, printed stapled covers, minor signs of use and age, text in very good condition.   rarely seen individual early work on lunar and planetary petrology.   $56.00

27298. Tatsumoto, M. et al.   Early History of the Moon: Implications of U-Th-Pb and Rb-Sr Systematics.   NASA, Lunar Science Institute, 1974, Proceedings of the Soviet-American Conference on the Cosmochemistry of the Moon and Planets, 222 : 1-35.   Preprint, printed stapled covers, minor signs of use and age, text in very good condition.   rarely seen individual early work on lunar and planetary petrology.   $26.00