Não informado. (1984). Minerals & Metallurgical Processing. Society of Mining Engineers of AIME.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Minerals & Metallurgical Processing. Littleton, Colo: Society of Mining Engineers of AIME, 1984.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Minerals & Metallurgical Processing. Society of Mining Engineers of AIME, 1984.
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