Columbia subject headings:
Science and state--Communist countries.
Science--Communist countries.
Technology and state--Communist countries.
Technology--Communist countries.
Harvard subject headings:
Science and state--Communist countries.
Science--Communist countries.
Technology and state--Communist countries.
Technology--Communist countries.
Princeton subject headings:
Council for Mutual Economic Assistance.
Science--Economic aspects--Communist countries.
Technological innovations--Communist countries.
Technology--Economic aspects--Communist countries.