Fortuna
Enrique PÈrez Escrich
Техника - молодежи №09 1980
Tekhnika Molodezhi Magazine
Наука и жизнь #12 1971
Nauka i Zhizn Magazine
Destiny's Star
Vaughan, Elizabeth
The Replica
Ferro Gabro
The Alpha Centauri Project (Thinking worlds)
Marco Santini