Brknk's Bounty
Gerald Allan Sohl
Техника - молодежи №09 1987
Tekhnika Molodezhi Magazine
Наука и жизнь #05 1973
Nauka i Zhizn Magazine
Крокодил, 1927 , № 14
Krokodil Magazine
Promise Of The Wolves
Dorothy Hearst
Wolf Chronicles (1)