Extraterrestrial civilization; problems of interstellar communication

S. A Kaplan (Samuil Aronovich)

Jerusalem Israel Program for Scientific Translations; available from the U.S. Dept. of Commerce, National Technical Information Service, Springfield, Va. 1971

Localização: IAG - Inst. Ast. Geo. Ciên. Atmosféricas    (115.4(15) E96 )(Acessar)