1. Manipulation of cell physiology in membrane bioreactors. MBR 3;Arnot;Cranfield University,2001
2. ATV-DVWK, 2000, Membranbelebungsverfahren—Arbeitsbericht des ATV-DVWK-Fachausschusses KA-7 Membranbelebungsverfahren. Korrespondenz Abwasser (47) 10: 1547–1553 (in German).
3. Membrane bioreactors for the evaluation of maintenance phenomena in waste water treatment;Bouillot;J Ferment Bioeng,1990
4. Brands, E. Ohle, P. and Dohmann, M., 1998, Vergleich der Beschaffenheit von belebten Schlammen aus Membranbioreaktoren und konventionellen Belebungsanlagen, in Hamburger Berichte zur Siedlungswasser-wirtschaft 24 (in German).
5. A comparison between aerobic growth of Bacillus licheniformis in continuous culture and partial-recycling fermentor, with contributions to the discussion on maintenance energy demand;Bulthuis;Arch Microbiol,1989