1. Gemeiner P. Introduction to enzyme engineering. In: Enzyme engineering. Immobilized biosystems. Gemeiner P (Ed.) Ellis Horwood, NY: Ellis Horwood Series in Biochemistry and Biotechnology, 1992. pp. 9–12.
2. Techniques for preparing hydrogel membrane capsules;Nigam;Biotechnol Tech,1988
3. Semipermeable microcapsules;Chang;Can J Physiol Pharmacol,1966
4. Christenson L, Dionne K, Lysaught M. Biomedical application of immobilised cells. In: Fundamentals of animal cell encapsulation. Goosen MFA (Ed.) CRC Press, Boca Raton, MFA Goosen, 1993, 7–41.
5. Formation of calcium alginate gel capsules;Blandino;J Biosci Bioeng,1999