1. Bartholomew, W.H. (1960), Adv. Appl. Microbiol., 2, 289.
2. Bryant, J. (1977), Adv. Bioch. Eng., 5, 101.
3. Einsele, A. (1978), Proc. Biochem., 13, 7, 13.
4. Levenspiel, O. (1972), ?Chemical Reaction Engineering?, Wiley & Sons, New York.
5. Middleton, J.C. (1979), 3rd Eur. Conf. on Mixing, York, England, paper A2.