1. Trevan, M.D.: Immobilized Enzymes. An Introduction and Applications in Biotechnology. Chichester: Wiley 1980
2. Colowick, S.P., Kaplan, N.O.: Methods in Enzymology, Vol. 44. New York: Academic Press 1976
3. Tanaka, A., et al.: J. Ferment. Technol. 55, 71 (1977)
4. Freeman, A. (Privatmitteilung), vgl.: Yawetz, A., et al.: Biochim. Biophys. Acta 798, 204 (1984)
5. Mosbach, K., Danielsson, B.: ibid. 364, 140 (1974)