Não informado. (2008). IET Electric Power Applications. Institution of Engineering and Technology.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. IET Electric Power Applications. Stevenage, Inglaterra: Institution of Engineering and Technology, 2008.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. IET Electric Power Applications. Institution of Engineering and Technology, 2008.
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