TY  - BOOK
AU  - Comba,P.
AU  - Lei,K.P.V.
AU  - Carnahan,T.G.
ED  - United States.
TI  - CaF2-enhanced HC1 leaching of a manganese-bearing silicate ore
T2  - Report of investigations
PY  - 1990///
CY  - Washington, D.C.
PB  - U.S. Dept. of the Interior, Bureau of Mines
KW  - Manganese
KW  - Metallurgy
KW  - Leaching
KW  - Hydrochloric acid
ER  -