USSR probes space.
- [Moscow, Novosti Press Agency Publishing House, 1968]
- [87] p. with illus. 21 cm.
70435112
USSR69-530
Astronautics--Soviet Union.
TL789.8.R9 / U24
629.4/0947
70435112
USSR69-530
Astronautics--Soviet Union.
TL789.8.R9 / U24
629.4/0947