1. P.C. Van Aswegen, Commissioning and operation of bio-oxidation plants for the treatment of refractory gold ores, in: J.B. Hiskey, G.W. Warren (Eds.), Hydrometallurgy; Fundamentals, Technology and Innovations, Soc. Min. Metall. Explor. AIME, 1993. pp. 709–725.
2. Economic and environmental niches of biohydrometallurgy;Poulin;Minererals Engineering,1996
3. M. Boon, G.S. Hansford, J.J., Heijnen, The role of bacterial ferrous iron oxidation in the bioleaching of pyrite, in: T. Vargas, C.A. Jerez, J.V. Wiertz, H. Toledo (Eds.), Biohydrometallurgical Processing Vol. I, University of Chile, Santiago, 1996, pp. 153–163.
4. An electrochemical model for the leaching of a sphalerite concentrate;Verbaan;Hydrometallurgy,1986
5. A mathematical model for the bacterial oxidation of a sulfide ore concentrate;Nagpal;Biotechnology and Bioengineering,1994