Não informado. (1960). IRE international convention record. Institute of Radio Engineers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. IRE International Convention Record. New York: Institute of Radio Engineers, 1960.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. IRE International Convention Record. Institute of Radio Engineers, 1960.
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