1. L'assainissement des agglomérations: techniques d'épuration actuelles et évolutions. Agence de l'Eau Artois-Picardie, France
2. Effects of carbon and oxygen limitations and calcium concentrations on biofilm removal processes;Applegate;Biotechnology Bioengineering,1991
3. Concepts and models for biofilm reactor performance;Arvin;Water Science and Technology,1990
4. Biological Process Design for Wastewater Treatment;Benefield,1980
5. Wastewater Microbiology;Bitton,1994