Não informado. (1953). Journal of Mines, Metals and Fuels. Books & Journals Private.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Mines, Metals and Fuels. Calcutta, India: Books & Journals Private, 1953.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Mines, Metals and Fuels. Books & Journals Private, 1953.
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