1. Lo, T.C. (1988). Commercial liquid-liquid extraction equipment, in Handbook of Separation Techniques for Chemical Engineers, 2nd edn (Ed. P.A. Schweitzer), McGraw-Hill, New York.
2. Lo, T.C. and Baird, M.H.I. (1980). Liquid-liquid extraction, in KirkOhmer: Encyclopedia of Chemical Technology, 3rd edn, John Wiley, New York.
3. Cusack, R.W. and Fremeaux, P. (1991). Chem. Eng., 98, 66.
4. Hatton, T.A. (1987). Liquid-liquid extraction of antibiotics. In Comprehensive Biotechnology, Vol 2, Ch. 27, p. 439.
5. Belter, P.A., Cussler, E.L. and Hu, W.S. (1988). Bioseparations. John Wiley, New York.