Крокодил, 1983 , № 36
Krokodil Magazine
Наука и жизнь #07 1973
Nauka i Zhizn Magazine
Крокодил, 1935 , № 11
Наука и жизнь #11 1986
Last chance to see--
Douglas Adams & Mark Carwardine
The World Without Us
Alan Weisman
Sky People
A. J. Balkin