1. Creuger W, Creuger A (1988) In: Biotechnology: A Textbook of Industrial Microbiology, 2nd Edn. Science Tech. Publ., Madison, p. 286
2. Feber K (1993) Biotransformations in Organic Chemistry. Springer New York Berlin Heidelberg
3. Klibanov AM (1986) Chemtech 16: 354
4. Halling PJ (1987) In: Moody GW, Baker PB (eds) Bioreactors and Biotransformations. Elsevier New York, p. 189
5. Aldercreutz P, Mattiasson B (1987) Biocatalysis 1(2): 99