1. Moks, T., Abrahmsen, L., Osterlof, B., Josephson, S., Ostling, M., Enfors, S-O., Persson, I., Nilsson, B., and Uhlen, M. (1987),Bio/technology 5(4), 379–382.
2. Datar, R. (1986),Proc. Biochem. 19–26.
3. Bratby, J. (1980),Coagulation and Flocculation, Uplands Press, Croydon, UK.
4. Gale, R. S. and Baskerville, R. C. (1967),Chem. Ind. 355–356.
5. Gregory, J. and Nelson, D. W. (1984).Solid-Liquid Separation, Gregory, J., ed., Ellis Horwood Ltd, Chichester, UK.