Наука и жизнь #09 1980
Nauka i Zhizn Magazine
We Don’t Plummet Out of the Sky Anymore
M. David Blake
Крокодил, 1923 , № 39
Krokodil Magazine
Техника - молодежи №03 1989
Tekhnika Molodezhi Magazine
The Accidental Magician
David Grace