The Strange Case of Dr. Jekyll and Mr. Hyde
Robert Louis Stevenson
Наука и жизнь #05 1975
Nauka i Zhizn Magazine
Крокодил, 1960 , № 10
Krokodil Magazine
Техника - молодежи №12 1960
Tekhnika Molodezhi Magazine
Betrayer of Worlds
Edward M. Lerner & Larry Niven