1. Castillo, F.J. (1990). Lactose metabolism by yeasts. In: Yeast, H. Verachtert and R. D. Mot eds. pp.223?253, New York: Marcel Dekker Inc.
2. Zhou, Q.H., Klekner, V. and Kosaric N. (1992). JAOCS 69, 81?89.
3. Klekner, V., Kosaric, N. and Zhou, Q.H. (1991), Biotechnol. Lett. 13, 345?348.