מסע אל התבונה

Interstellar communication; scientific perspectives / [edited by] Cyril Ponnamperuma [and] A. G. W. Cameron.

Cyril Ponnamperuma 1923-

Extraterrestrial civilizations : (Vnezemnye tsivilizatsii). Proceedings of the first All-Union Conference on Extraterrestrial Civilizations and Interstellar Communication, Byurakan, 20-23 May 1964 / Edited by G. M. Tovmasyan. Translated from Russian [by Z. Lorman].

Vsesoiuznoe soveshchanie, posviashchennoe probleme vnezemnykh tsivilizatsii (1st : 1964 : Byurakan)

Extraterrestrial civilization : problems of interstellar communication / S. A. Kaplan, editor. Translated from Russian [by IPST staff].

Communication with extraterrestrial intelligence [electronic resource] / edited by Douglas A. Vakoch.