Não informado. (1915). The Scientific Monthly. American Association for the Advancement of Science.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. The Scientific Monthly. Washington: American Association for the Advancement of Science, 1915.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. The Scientific Monthly. American Association for the Advancement of Science, 1915.
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