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Preliminary Sampling and Metallurgical Evaluation of Central Mesabi Nonmagnetic Taconites

Leonard F. HeisingD. W. Frommer

出版	Bureau of Mines, U.S. Department of the Interior, 1965
URL	http://books.google.com.hk/books?id=pOvutgAACAAJ&hl=&source=gbs_api