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Gabler, Robert C.

Processing chalcopyrite concentrates by a nitrogen roast-hydrometallurgical technique Gabler, Robert C.; Campbell, W. J.; Brown, R. E.; Dunning, B. W. - Washington Bureau of mines 1975 - 18 p. - RI 8067 .

Subjects--Topical Terms:
MINERIA
MINING

Subjects--Index Terms: CALCOPIRITA CHALCOPYRITE

Universal Decimal Class. No.: 622