Strategies for the Search for Life in the Universe: A Joint Session of Commissions 16, 40, and 44, Held in Montreal, Canada, During the IAU General Assembly, 15 and 16 August, 1979 1980 · ENGLISH · PDF View details →
The Search for Extraterrestrial Life: Recent Developments: Proceedings of the 112th Symposium of the International Astronomical Union Held at Boston University, Boston, Mass., U.S.A., June 18–21, 1984 1985 · ENGLISH · PDF View details →
