1. Continuous, co-current pressure leaching of zinc-lead concentrates under acid conditions;Scott,1973
2. Treatment of materials containing lead sulphide;Bratt,1971
3. The application of the Sherritt zinc pressure leaching process to New Brunswick zinc lead bulk concentrates,1978
4. Factors affecting lead jarosite formation;Dutrizac;Hydrometallurgy,1980
5. The Comprex Process: non-ferrous metals production from complex pyrite concentrates;Nogueira,1980