The Scent of Shadows: The First Sign of the Zodiac
Vicki Pettersson
Signs of the Zodiac (1)
Наука и жизнь #08 1959
Nauka i Zhizn Magazine
Крокодил, 1988 , № 09
Krokodil Magazine
Крокодил, 1971 , № 32
The Alpha Centauri Project (Thinking worlds)
Marco Santini