Extraterrestrial civilizations : proceedings - Vsesoiuznoe soveshchanie, posviashchennoe probleme vnezemnykh tsivilizatsii 1964 : Byurakan).; Tovmasyan, G. M.; Lerman, L.; Byowrakani Astghaditaran (Jerusalem : Israel Program for Scientific Translations; [available from the U.S. Dept. of Commerce, Clearinghouse for Federal Scientific and Technical Information, Springfield, Va.], 1967)
At head of title: Academy of Sciences of the Armenian SSR. Byurakan Astrophysical Observatory
Translation of Vnezemnye tsivilizatsii
Translation of: Vnezemnye tsivilizatsii
Keywords: Life on other planets -- Congresses; Interstellar communication -- Congresses