Não informado. (2000). Transactions of the Institution of Mining Engineers. Institution of Mining Engineers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Transactions of the Institution of Mining Engineers. Newcastle upon Tyne, Inglaterra: Institution of Mining Engineers, 2000.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Transactions of the Institution of Mining Engineers. Institution of Mining Engineers, 2000.
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