Крокодил, 1970 , № 07
Krokodil Magazine
Крокодил, 1986 , № 18
Наука и жизнь #07 1969
Nauka i Zhizn Magazine
Mortal Danger
Eileen Wilks
World of the Lupi (2)
The Alpha Centauri Project (Thinking worlds)
Marco Santini