![Proceedings of the 15th Lunar and Planetary Science Conference. Parts 1 and 2: Edited by Graham Ryder and Gerald Schubert, American Geophysical Union, 1984. 853 p., $70 (softbound), $100 (hardbound), with special prices for members of the Meteoritical Society, Geochemical Society, Division for Planetary Sciences: $23 and $28; AGU member prices $20 and $35]()
Proceedings of the 15th Lunar and Planetary Science Conference. Parts 1 and 2: Edited by Graham Ryder and Gerald Schubert, American Geophysical Union, 1984. 853 p., $70 (softbound), $100 (hardbound), with special prices for members of the Meteoritical Society, Geochemical Society, Division for Planetary Sciences: $23 and $28; AGU member prices $20 and $35John A. O'Keefe · 1986