Extraterrestrial civilizations = Vnezemnye tsivilizatsii : Proceedings of the first All-Union Conference on Extraterrestrial Civilizations and Interstellar Communication, Byurakan, 20-23 May 1964 [texte imprimé] / G. M. Tovmasian, Editeur scientifique ; Zvi Lerman (1941-....), Traducteur ; Byurakan Astrophysical Observatory, Autre . - Springfield, Va. (Etats Unis) : United States Department of Commerce, Clearinghouse for Federal Scientific and Technical Information : Jérusalem : Israel Program for Scientific Translations, 1967 . - viii, 99 p. : ill. ; 24 cm. - ( NASA technical translation (NASA TT), ISSN 0499-9355; F-438) . ISSN : PPN 025522183 At head of title : Academy of Sciences of the Armenian SSR. Byurakan Astrophysical Observatory. - Photocopy. National Technical Information Service. 1967. Langues : Anglais ( eng) |
Extraterrestrial civilizations (1967)