Spinward Fringe Broadcast 0: Origins
Randolph Lalonde
Наука и жизнь #11 1947
Nauka i Zhizn Magazine
Крокодил, 1940 , № 16
Krokodil Magazine
Мурзилка #08 2015
Murzilka Magazine
The Alpha Centauri Project (Thinking worlds)
Marco Santini