Extraterrestrial civilizations : proceedings of the First All-Union Conference on Extraterrestrial Civilizations and Interstellar Communication, Byurakan, 20-23 May 1964
edited by G. M. Tovmasyan ; translated from Russian
Bok Engelsk 1967 All-Uniom Conference on Extraterrestrial Civilizations andInterstellar Communication
Utgitt | Jerusalem : Israel Program for Scientific Translations , 1967
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Omfang | viii, 99 s. : ill.
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Emner |