University of Delaware. Dept. of Mechanical Engineering. (1964). Nonlinear problems of engineering. Academic Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUniversity of Delaware. Dept. of Mechanical Engineering. Nonlinear Problems of Engineering. New York: Academic Press, 1964.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUniversity of Delaware. Dept. of Mechanical Engineering. Nonlinear Problems of Engineering. Academic Press, 1964.
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