Não informado. (2012). IET Renewable Power Generation. Institution of Engineering and Technology.
Lua i Stíl Chicago (17ú heag.)Não informado. IET Renewable Power Generation. Stevenage, Inglaterra: Institution of Engineering and Technology, 2012.
Lua MLA (8ú heag.)Não informado. IET Renewable Power Generation. Institution of Engineering and Technology, 2012.
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