Processing chalcopyrite concentrates by a nitrogen roast-hydrometallurgical technique /
by R.C. Gabler [and others].
APA Citation
Campbell, W. J., Brown, R. E., Dunning, B. W., Gabler, R. C., United States. Bureau of Mines. (1975). Processing chalcopyrite concentrates by a nitrogen roast-hydrometallurgical technique. [Pittsburgh]: U.S. Dept. of the Interior, Bureau of Mines.
MLA Citation
United States. Bureau of Mines, et al.. Processing Chalcopyrite Concentrates by a Nitrogen Roast-hydrometallurgical Technique. [Pittsburgh]: U.S. Dept. of the Interior, Bureau of Mines, 1975.
Warning: These citations may not always be complete (especially for serials).