United States. Bureau of Mines & Cornell, W. L. (1987). Continuous flotation testing to recover cobalt from Missouri lead ores. U.S. Dept. of the Interior, Bureau of Mines.
Chicagoスタイル(17版)引用形式United States. Bureau of Mines , W. L. Cornell. Continuous Flotation Testing to Recover Cobalt from Missouri Lead Ores. [Avondale, Md.]: U.S. Dept. of the Interior, Bureau of Mines, 1987.
MLA(9版)引用形式United States. Bureau of Mines , W. L. Cornell. Continuous Flotation Testing to Recover Cobalt from Missouri Lead Ores. U.S. Dept. of the Interior, Bureau of Mines, 1987.
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