Não informado. (2020). Memoirs of the National Academy of Sciences. Government Printing Office.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Memoirs of the National Academy of Sciences. Washington: Government Printing Office, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Memoirs of the National Academy of Sciences. Government Printing Office, 2020.
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