Columbia subject headings:
Astronautics and state--Soviet Union.
Astronautics--International cooperation.
Astronautics--Soviet Union.
Harvard subject headings:
Astronautics and state--Soviet Union.
Astronautics--International cooperation
Astronautics--Soviet Union
Princeton subject headings:
Astronautics and state--Soviet Union.
Astronautics--International cooperation.
Astronautics--Soviet Union.