1. Alegret, S. (ed.), “Developments in Solvent Extraction”, Ellis Horwood Ltd. (1988).
2. Batey, W., Arthur, T., Thompson, P. J. and Thornton, J. D., “The Dynamics of Pulsed Plate Extraction Columns”, in Ref. 24, pp. 166-167.
3. Blumberg, R., “Liquid-Liquid Extraction”, Academic Press (1988).
4. Burkur, D. B., Wittmana, C. V. and Amundson, N. R., “Analysis of a Model for a Nonisothernal Continuous Fluidized Bed Catalytic Reactor”,Chem. Eng. Sci.,29, 1173 (1974).
5. Chaubal, P. C., “The Reaction of Chalcopyrite Concentrate Particles in a Flash Furnace Shaft”, Ph. D. Dissertation, University of Utah, Salt Lake City, Utah, U. S. A. (1986).