1. Al-Omari, A., Wett, B., Han, M., de Clippeleir, H., Bott, C., Nopens, I., Murthy, S., 2013. Competition over nitrite in single sludge mainstream deammonification process. In: WEF/IWA Nutrient Removal and Recovery 2013: Trends in Resource Recovery and Use, Vancouver, Canada, 28–31 July.
2. Standard Methods for the Examination of Water and Wastewater;APHA,1998
3. Kinetic explanation for accumulation of nitrite, nitric oxide, and nitrous oxide during bacterial denitrification;Betlach;Appl. Environ. Microbiol.,1981
4. Nitrogen removal rates at a technical-scale pilot plant with the one-stage partial nitritation/anammox process;Cema;Water Sci. Technol.,2006
5. Cema, G., Plaza, E., Surmacz-Gorska J., 2007. Activated sludge and biofilm in the anammox reactor – cooperation or competition. In: Integration and Optimisation of Urban Sanitation Systems. TRITA-LWR.REPORT 3018, Report No. 13, 129–138.