Crawshaw, T. (1976). Alternative sources of energy including solar, tidal, wave, wind and geothermal power and heat pumps, 1969-1975: A list of references. GEC Power Engineering Ltd. Library.
Citace podle Chicago (17th ed.)Crawshaw, Thomas. Alternative Sources of Energy Including Solar, Tidal, Wave, Wind and Geothermal Power and Heat Pumps, 1969-1975: A List of References. Leicester: GEC Power Engineering Ltd. Library, 1976.
Citace podle MLA (8th ed.)Crawshaw, Thomas. Alternative Sources of Energy Including Solar, Tidal, Wave, Wind and Geothermal Power and Heat Pumps, 1969-1975: A List of References. GEC Power Engineering Ltd. Library, 1976.
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