Final Inquiries
Roger MacBride Allen
BSI Starside (3)
Техника - молодежи №10-11 1943
Tekhnika Molodezhi Magazine
Наука и жизнь #07 1960
Nauka i Zhizn Magazine
Atlantis Betrayed
Day, Alyssa
Deviations: Destiny
Elissa Malcohn