En
RuTheoretical research
Theoretical research
Interplanetary messages. [Issue. 2]. Spaceships
Rynin, Nikolai Alekseevich (1877-1942).
Interplanetary messages. Spaceships. Film Leningrad, 1928-1932. Leningrad: P. P. Soykin, 1928.
1928
СЗМОО ФК
Interplanetary travel
Perelman, Yakov Isidorovich (1882-1942).
Interplanetary travel. Film Leningrad; Moscow: Onti. The main editorial board of popular scientific youth literature, 1935.
1935
СЗМОО ФК