OKAMOTO, S. (1973). Introduction To Earthquake Engeneering. University of Tokyo Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOKAMOTO, Shunzo. Introduction To Earthquake Engeneering. University of Tokyo Press, 1973.
एमएलए (8वां संस्करण) प्रशस्ति पत्रOKAMOTO, Shunzo. Introduction To Earthquake Engeneering. University of Tokyo Press, 1973.
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