Крокодил, 1930 , № 28
Krokodil Magazine
Крокодил, 1990 , № 34
Техника - молодежи №09 1992
Tekhnika Molodezhi Magazine
Наука и жизнь #12 1947
Nauka i Zhizn Magazine
The Year of Disappearances
Susan Hubbard
The Society of S (2)
The Society of S
The Society of S (1)