TY - BOOK AU - Dannenberg,R.O. TI - Recovery of cobalt and copper from complex sulfide concentrates T2 - Report of investigations / United States Department of the Interior, Bureau of Mines AV - TN23TN799.C6 .U43 PY - 1987/// CY - Avondale, Md. PB - U.S. Dept. of the Interior, Bureau of Mines KW - Cobalt KW - Metallurgy KW - Copper KW - Sulphides ER -