Não informado. (1938). Notes and Records of the Royal Society of London. Royal Society of London.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Notes and Records of the Royal Society of London. London: Royal Society of London, 1938.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Notes and Records of the Royal Society of London. Royal Society of London, 1938.
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