(1890). Vol. 11; Transactions of the American Society of Mechanical Engineers. 1890.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVol. 11; Transactions of the American Society of Mechanical Engineers. 1890, 1890.
एमएलए (9वां संस्करण) प्रशस्ति पत्रVol. 11; Transactions of the American Society of Mechanical Engineers. 1890, 1890.
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