(1957). New sources of energy and economic develoment: Solar energy, wind energy, tidal energy, geothermic energy and thermal energy of the seas. New York: United Nations. Department of Economic and Social Affairs.
Παραπομπή Chicago StyleNew Sources of Energy and Economic Develoment: Solar Energy, Wind Energy, Tidal Energy, Geothermic Energy and Thermal Energy of the Seas. New York: United Nations. Department of Economic and Social Affairs, 1957.
Παραπομπή MLANew Sources of Energy and Economic Develoment: Solar Energy, Wind Energy, Tidal Energy, Geothermic Energy and Thermal Energy of the Seas. New York: United Nations. Department of Economic and Social Affairs, 1957.
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