Não informado. (2000). Bulletin of the Department of Geology. University of California Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Bulletin of the Department of Geology. Berkeley, Calif: University of California Press, 2000.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Bulletin of the Department of Geology. University of California Press, 2000.
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