1. G. G. GUILBANLT, Handbook, of Enzyme Methods of Analysis, p. 445.
2. J. C. JOHNSON, Immobilized Enzymes Preparation and Engineering Recent Advances, p. 302.
3. Advances in Applied Microbiology, Vol. 20, 1976, p. 240.
4. CHIBATA: The Immobilized Enzymes Japan: Jul. 1974.
5. 13th Intern. TNO Conf. 27–28 March, 1980, p. 83.