S.A. Kaplan

1 book

Extraterrestrial Civilizations: Problems of Interstellar Communication by B.N. Panovkin, G.M. Khovanov, N.S. Kardashev, L.M. Gindilis, S.A. Kaplan, B.V. Sukhotin

Extraterrestrial Civilizations: Problems of Interstellar Communication

B.N. Panovkin, G.M. Khovanov, N.S. Kardashev, L.M. Gindilis, S.A. Kaplan, B.V. Sukhotin

265 pages • 1969

challenging informative reflective medium-paced