US5266422-A  Anderson, A. J. and Dawes, E. A., Microbiol. Rev., 54:450-472 (1990).;  Cowie, J. M. G., Polymer Electrolyte Reviews_I, Eds., J. R. MacCallum and C. A. Vincent, Elsevier Applied Science, New York, N.Y., pp. 69-101 (1987).;  Gray, F. M., Solid Polymer Electrolytes VCH, pp. 1-33 (1992).;  Holmes, P. A., "Developments in Crystalline Polymers_2", (D. C. Bassett, ed.), Elsevier Applied Science, N.Y., pp. 1-65 (1988).;  Lageveen, R. G., Huisman, G. W., Preusting, H., Ketelaar, P., Eggink, G., and Witholt, B., Appl. Environ. Microbiol., 54:2924-2932 (1988).;  MacCallum, J. R. and Vincent, C. A., eds., Polymer Electrolyte Reviews_1, Elsevier Applied Sci., N.Y. (1987).;  Marchessault, R. H., and C. J. Monasterios, Biotechnology and Polymers, (Ed. C. G. Gebelein), Plenum Press, N.Y., pp. 47-52 (1991).;  Poirier, Y., et al., Science, vol. 256, 520-522, Apr. 24, 1992.;  Preusting, H., A. Nijenhuis and B. Witholt, Macromolecules, 23:4220-4224 (1990).;  Slater, S., et al., Applied and Environmental Microbiology, Apr. 1992, pp. 1089-1094.;  Watanabe, M., M. Togo, K. Sanui, N. Ogata, T. Kobayashi, and Z. Ohtaki, Macromolecules, 17:2908-2912 (1984).WO9415376-A1  See also references of EP 0636279A1;  See also references of EPA 0636279EP636279-A1  DATABASE INSPEC INSTITUTE OF ELECTRICAL ENGINEERS, STEVENAGE, GB 1993, POMERLEAU 'Second IEEE Conference on Control Applications (Cat. No. 93CH3243-3), Proceedings of the IEEE International Conference on Control and Applications, Vancouver, BC, Canada, 13-16 Sept., 1993; vol. 1, pages 475-479; NY, USA';  DATABASE INSPEC INSTITUTE OF ELECTRICAL ENGINEERS, STEVENAGE, GB 1993, POMERLEAU "Second IEEE Conference on Control Applications (Cat. No. 93CH3243-3), Proceedings of the IEEE International Conference on Control and Applications, Vancouver, BC, Canada, 13/09/1993-16/09/1993; vol. 1, pages 475-479; NY, USA";  See also references of WO 9415376A1;  See also references of WOA 9415376US35257-E  Anderson, A. J. and Dawes, E. A., Microbiol. Rev. 54:450-472 (1990) (no month);  Cowie, J. M. G. Polymer Electrolyte ReviewsI Eds. J. R. MacCallum and C. A. Vincent, Elsevier Applied Science, New York, NY, pp. 69-101 (1987) (no month);  Gray, F. M. Solid Polymer Electrolytes VCH, pp. 1-33 (1992) (no month);  Holmes, P. A. "Developments in Crystalline Polymers2" (D. C. Bassett, ed) Elsevier Applied Science, NY, pp. 1-65 (1988) (no month);  Lageveen, R. G., Huisman, G. W., Preusting, H., Ketelaar, P., Eggink, G., and Witholt, B., Appl. Environ. Microbiol. 54:2924-2932 (1988) (no month);  MacCallum, J. R. and Vincent, C. A., eds Polymer Electrolyte Reviews1, Elsevier Applied Sci., NY (1987) (no month);  Marchessault, R. H., and C. J. Monasterios, Biotechnology and Polymers (Ed. C. G. Gebelein) Plenum Press, NY pp. 47-52 (1991) (no month);  Poirier, Y., et al., Science, vol. 256, 520-522 24/04/1992;  Preusting H., A. Nijenhuis and B. Witholt, Macromolecules 23:4220-4224 (1990) (no month);  Slater, S., et al., Applied and Environmental Microbiology, Apr. 1992, pp. 1089-1094;  Watanabe, M., M. Togo, K. Sanui, N. Ogata, T. Kobayashi, and Z. Ohtaki, Macromolecules 17:2908-2912 (1984) (no month)EP636279-B1  DATABASE INSPEC INSTITUTE OF ELECTRICAL ENGINEERS, STEVENAGE, GB 1993, POMERLEAU 'Second IEEE Conference on Control Applications (Cat. No. 93CH3243-3), Proceedings of the IEEE International Conference on Control and Applications, Vancouver, BC, Canada, 13-16 Sept., 1993; vol. 1, pages 475-479; NY, USA'