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...h Russian astronomer and astrophysicist [[Iosif Samuilovich Shklovsky|I.S. Shklovskii]], ''Intelligent Life in the Universe''. Here Sagan instead argued that tec *[[Iosif Samuilovich Shklovskii|I.S. Shklovskii]] coauthor, ''[[Intelligent Life in the Universe]]''. Random House, 1966, 5