1. Albertsson, P. A.: “Partition of Cell Particles and Macromolecules”, 3rd ed., Wiley Interscience, N. Y. (1986).
2. Baskir, J. N., Hatton, T. A. and Suter, U.W.:Biotech. Bioeng.,34, 541 (1989).
3. Walter, H., Brooks, D. E. and Fisher, D.: “Partitioning in Aqueous Two Phase Systems”, Academic Press, London (1985).
4. Abbot, N. L. and Hatton, A.:Chem. Eng. Prog., August, 31 (1988).
5. Albertsson, P.A. and Ryden, J.:J. Colloid. Interface Sci.,37, 219 (1971).