1. The RPC sulphation roast process;Boorman;Min. Mag.,1984
2. Low temperature sulphation of some base metal sulphides;Sukla;Trans. Indian Inst. Met.,1982
3. Verfahren zur Verarbeitung komplexer Sulfidkonzentrate;Miöen;Erzmetall,1983
4. Study of the lead sulphate behavior in brine solutions intending to extract lead from acid leaching residues of mixed sulphide concentrates roasts;Halikia;Min. Metall. Ann., Greece,1988
5. Leaching of lead sulphate in sodium carbonate solution;Arai;Hydrometallurgy,1984