1. APHA, 1998, Standard Methods for Examination of Water and Wastewater. 20th ed., American Public Health Association, Washington, DC.
2. ADM1, 2002. IWA Scientific and Technical Report No.13. IWA Task Group for Mathematical Modelling of Anaerobic Digestion Processes. IWA publishing, London, UK.
3. Benisch, M., Baur, R., Britton, A., Oleszkiewicz, J.A., Neethling, J.B., 2009. Utilizing phosphorus recovery for optimization of the biological nutrient removal process. In: Proc. IWA Special. Confer. Nutrient management in Wastewater Treatment Processes. Krakow 6-9.IX. pp. 1005–1016.
4. Fermentation and elutriation of primary sludge: effect of SRT on process performance;Bouzas;Water Res.,2007
5. Optimum design and operation of primary sludge fermentation schemes for volatile fatty acids production;Chanona;Water Res.,2006