Intelligent life in the universe - Shklovskii, I. S b.; Sagan, Carl, 1934-1996. (San Francisco : Holden-Day, 1966)
'A translation, extension, and revision of the author's Vselennaia, zhizn, razum'.
Bibliography: p. 489-495.
engrus.
Keywords: Life on other planets; Astronomy; Interstellar communication