K. E. Tsiolkovskii
Subtitle: neizvestnye razumnye sily
By: podgotovka tekstov i predislovie Iu.M. Medvedeva
Series: Pervoistochniki
Publisher: Moskovskii rabochii
Published: 1991
Place of publication: Moskva
Language: rus
Number of pages: 44
Subjects: Utopias
Other titles: Neizvestnye razumnye sily.