Não informado. (1979). Electrical Power and Energy Systems. IPC Science and Technology Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Electrical Power and Energy Systems. Guildford, Inglaterra: IPC Science and Technology Press, 1979.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Electrical Power and Energy Systems. IPC Science and Technology Press, 1979.
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