Крокодил, 1978 , № 03
Krokodil Magazine
Крокодил, 1968 , № 29
Крокодил, 1960 , № 11
Наука и жизнь #03 1963
Nauka i Zhizn Magazine
The Society of S
Susan Hubbard
The Society of S (1)
The Year of Disappearances
The Society of S (2)