1. Henze, M. and Herremöes, P. (1983) Water Sci. Technol. 15, 1–101.
2. Gorris, L. G. M., Van Deursen, J. M. A., van der Drift, C., and Vogels, G. D. (1989) Biotechnol. Bioeng. 33, 687–693.
3. Binot, R. A., Bol, T., Naveau, H. P., and Nyns, E. J. (1983) Water Sci. Technol. 15, 103–115.
4. Iza, J. (1991), in Ananerobic Treatment Technology for Municipal and Industrial Wastewater, Switzenbaum, M. S., ed., International Association on Water Pollution Research and Control, Pergamon, Oxford, UK, pp. 109–132.
5. Guiot, S. (1992), Bioimmobilization in Anaerobic Reactors. Bioprocesos Anaerobios para el Tratamiento de Efluentes Industriales. UAM/IMP/ORSTOM. May 6–7, Mexico City.