Academy: Voyager #1, Lifeline
Bobbi J. G. Weiss & David Cody Weiss
Star Trek Academy (7)
Наука и жизнь #11 1966
Nauka i Zhizn Magazine
Наука и жизнь #01 1978
Техника - молодежи №10 1947
Tekhnika Molodezhi Magazine
Death Ray Butterfly
Tom Lichtenberg