Não informado. (1952). Power Apparatus and Systems. American Institute of Electrical Engineers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Power Apparatus and Systems. New York: American Institute of Electrical Engineers, 1952.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Power Apparatus and Systems. American Institute of Electrical Engineers, 1952.
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