1. Nonferrous Extractive Metallurgy;Gill,1980
2. The mechanism of sphalerite dissolution in ferric sulphate–sulphuric acid media;Dutrizac,2003
3. The effect of iron content of sphalerite on its rate of dissolution in ferric sulphate and ferric chloride media;Palencia;Hydrometallurgy,1991
4. Comparison of direct pressure leaching with atmospheric leaching of zinc concentrate;Buban,2000
5. Atmospheric leaching of zinc sulphide concentrates using regenerated ferric sulphate solutions;Ferron,2000