1. Harrero, A. A. (1983),Trends Biotechnol. 1, 49–53.
2. Bajpai, R. K. and Iannotti, E. L. (1988), inHandbook on Anaerobic Fermentations, Erickson, L. E. and Funk, D. Y., eds., Marcel Dekker, New York, pp. 207–241.
3. Holten, C. H. (1973),Lactic Acid. Verlag Chemie GmbH, Weinheim.
4. Kertes, A. S. and King, C. J. (1986),Biotechnol. Bioeng. 28, 269–282.
5. Su, Y. T. (1991), MS thesis, Department of Chemical Engineering, University of Missouri-Columbia, MO.