Não informado. (1926). British Chemical Abstracts. Bureau of Chemical Abstracts.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. British Chemical Abstracts. London: Bureau of Chemical Abstracts, 1926.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. British Chemical Abstracts. Bureau of Chemical Abstracts, 1926.
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