Robot Blues
Margaret Weis & Don Perrin
Mag Force 7 (2)
Dead Man on the Moon
Steven Harper
LCSI (1)
Наука и жизнь #00 1934
Nauka i Zhizn Magazine
Крокодил, 1951 , № 21
Krokodil Magazine
The Alpha Centauri Project (Thinking worlds)
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