1. A. E. Torma, Advances in biochemical engineering. Springer-Verlag, Berlin, pp. 1–37 (1977).
2. D. Deveci, The European J. of Mineral Processing and Environmental Protection, 2, 141 (2002).
3. M. N. Chandraprabha, J. M. Modak, K. A. Natarajan and A. M. Raichur, Minerals Engineering, 15, 751 (2002).
4. A. T. Bull, Korean J. Chem. Eng., 18, 137 (2001).
5. H. Deveci, A. Akcil and I. Alp, Materials Science and Technology 2003 Symposium: Process Control and Optimization in Ferrous and Non Ferrous Industry, Chicago, USA, 9–12 November (2003).