Não informado. (2001). Transactions of the Institution of Mining and Metallurgy. Institution of Mining and Metallurgy.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Transactions of the Institution of Mining and Metallurgy. London: Institution of Mining and Metallurgy, 2001.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Transactions of the Institution of Mining and Metallurgy. Institution of Mining and Metallurgy, 2001.
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