Não informado. (1951). UNIVERSITY OF UTAH BIOLOGICAL SERIES. University of Utah.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. UNIVERSITY OF UTAH BIOLOGICAL SERIES. Salt Lake City, Utah: University of Utah, 1951.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. UNIVERSITY OF UTAH BIOLOGICAL SERIES. University of Utah, 1951.
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