1. Aqueous oxidation at elevated temperatures;Majima;Trans. Metall. Soc. AIME,1966
2. The catalysed oxidation of zinc sulfide under acid pressure leaching conditions;Scott;Trans. Metall. Soc. AIME,1968
3. Ammoniacal leaching of complex sulphides of copper, lead and zinc;Anand,1985
4. Physical and chemical separations via the Arbiter process;Kuhn,1975
5. An evaluation of the low pressure ammonia-ammonium sulfate system for the leaching of local base metal sulfides;Jochens;Nat. Inst. Metallurgy, Johannesburg, South Africa, Rep.,1976