Não informado. (1959). Journal of Engineering for Industry. American Society of Mechanical Engineers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Engineering for Industry. New York: American Society of Mechanical Engineers, 1959.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Engineering for Industry. American Society of Mechanical Engineers, 1959.
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