Não informado. (1964). Canadian Journal of Earth Sciences. National Research Council.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Canadian Journal of Earth Sciences. Ottawa: National Research Council, 1964.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Canadian Journal of Earth Sciences. National Research Council, 1964.
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