Cobalt and nickel from lead-smelter matte purification of leach liquor /
by R.B. Prater, Jr. & Robert M. Doerr.
- Pittsburgh, PA : U.S. Dept. of the Interior, Bureau of Mines, 1987.
- 24 p. : ill.
- Report of investigations ; 9082 .
- Report of investigations (United States. Bureau of Mines) ; 9082 .