Beyond World's End
Rosemary Edghill & Mercedes Lackey
Техника - молодежи №05 1966
Tekhnika Molodezhi Magazine
Крокодил, 1943 , № 02
Krokodil Magazine
Наука и жизнь #05 1972
Nauka i Zhizn Magazine
The Marbury Lens
Andrew Smith