Osvoenie kosmicheskogo prostranstva v SSSR.
Institut kosmicheskikh issledovaniĭ (Akademii︠a︡ nauk SSSR)
Moskva : Nauka.
"Po materialam pechati."
Issued by Institut kosmicheskikh issledovaniĭ of Akademii︠a︡ nauk SSSR.
Astronautics