1. Gorodetskii, V.K., Belki v meditsine i narodnom khozyaistve (Proteins in Medicine and National Economy), Gulyi, M.S, Ed., Kiev: Naukova Dumka, 1965.
2. Wilson, R. and Turner, A.P.F., Biosens. Bioelectron., 1992, vol. 7, no. 2, pp. 165–187.
3. Dziezak, J.D., Food Technol., 1986, vol. 40, pp. 94–103.
4. Tiina, M. and Sandholm, M., Int. J. Food Microbiol., 1989, vol. 8, no. 2, pp. 165–174.
5. Alberti, B.A. and Klibanov, A.M., Enzyme Microb. Technol., 1982, vol. 4, no. 1, pp. 47–49.