Acid sulfation of alunite /
by L.J. Froisland, M.L. Wouden, and D.D. Harbuck.
- Pittsburgh, PA : U.S. Dept. of the Interior, Bureau of Mines, 1989.
- ii, 12 p. : ill.
- Report of investigations ; 9222 .
- Report of investigations (United States. Bureau of Mines) ; 9222. .