Columbia subject headings:
Power (Mechanics)--Congresses.
Power resources--Congresses.
United Nations Conference on New Sources of Energy, (1961 : Rome)
Harvard subject headings:
Power (Mechanics)--Congresses
Power resources--Congresses
United Nations Conference on New Sources of Energy (1961 : Rome)
United Nations Conference on New Sources of Energy (1961 : Rome, Italy)
Princeton subject headings: