1. Scott, C. D. (1987),Enz. and Microb. Tech. 9, 66.
2. Fukui, S. and Tanaka, A. (1982),Ann. Rev. Microbiol. 36, 145.
3. Chibata, I., Tosa, T., and Fujimura, M. (1983),Annual Reports on Fermentation Processes, vol. 6, Academic, New York, 1.
4. Borglum, B. G. and Marshall, J. J. (1984),Appl. Biochem. and Biotech. 9, 117.
5. Blanch, H. W. (1984),Annual Reports on Fermentation Processes, vol.7, Academic, New York, p. 81.