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- Akademii︠a︡ nauk SSSR (12)
- American Institute of Physics (2)
- Barabashov, N. P. (Nikolaĭ Pavlovich) (1)
- Gurev, Grigoriĭ Abramovich (1)
- Mikhaĭlov, Aleksandr Aleksandrovich, 1888- (1)
- National Academy of Sciences (U.S.) (1)
- Orlov, Sergeĭ Vladimirovich (1)
- Perelʹman, Roman Grigorʹevich (1)
- Sagan, Carl, 1934- (1)
- Soviet-American Conference on the Problems of Communication with Extraterrestrial Intelligence, 1st, Byurakan Astrophysical Observatory, 1971 (1)
- Sykes, J. B. (1)