Não informado. (2000). University of Wisconsin studies in science. University of Wisconsin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. University of Wisconsin Studies in Science. Madison, Wis: University of Wisconsin, 2000.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. University of Wisconsin Studies in Science. University of Wisconsin, 2000.
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