Zelde M'Tana
F. M. Busby
The Long View (3)
Техника - молодежи №11 1979
Tekhnika Molodezhi Magazine
Наука и жизнь #12 1997
Nauka i Zhizn Magazine
Крокодил, 1956 , № 02
Krokodil Magazine
Valley of the Dead (The Truth Behind Dante's Inferno)
Kim Paffenroth