Extra terrestrial civilizations
Subtitle: problems of interstellar communication
By: edited by S.A. Kaplan ; translated from Russian.
Contributors: Kaplan, Samuil Aronovich.
Publisher: Israel Program for Scientific Translations
Published: 1971
Place of publication: Jerusalem
Language: eng
Notes: Originally published in Russian as Vnezemnye tsivilizatsii; problemy mezhzvezdnoi svyazi. Moskva: Nauka, 1969.