Não informado. (1983). Geotechnical and Geological Engineering. Chapman and Hall.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Geotechnical and Geological Engineering. London: Chapman and Hall, 1983.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Geotechnical and Geological Engineering. Chapman and Hall, 1983.
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