1. Immobilization of Enzymes and Cells,1997
2. P. Gemeiner (Ed.), Enzyme Engineering: Immobilized Biosystems, translation: J.L. Francis (Ed.), Ellis Horwood, West Sussex, England, 1992, pp. 180–182 and 236–238.
3. Protein Immobilization: Fundamentals and Applications,1991
4. Enzymes and Other Proteins Entrapped in Sol-Gel Materials
5. Sol-gel encapsulation methods for biosensors