Наука и жизнь #10 1983
Nauka i Zhizn Magazine
Крокодил, 1965 , № 10
Krokodil Magazine
Наука и жизнь #07 1955
Pyramid Scheme
Eric Flint & Dave Freer
A Magic of Nightfall
S. L. Farrell
Nessantico Cycle (2)