Guardians of Ga'Hoole: The Siege
Kathryn Lasky
Крокодил, 1947 , № 36
Krokodil Magazine
Крокодил, 1923 , № 22
Наука и жизнь #05 1994
Nauka i Zhizn Magazine
The Alpha Centauri Project (Thinking worlds)
Marco Santini