1. American Public Health Association, A.W.W.A., Water Environment Federation, 1998. Standard Methods for the Examination of Water and Wastewater, 20th ed. APHA, AWWA, and WEF, Washington, D.C., USA.
2. Anaerobic thermophilic digestion of manure at different ammonia loads: effect of temperature;Angelidaki;Water Res.,1994
3. Methanogenic population dynamics during startup of a full-scale anaerobic sequencing batch reactor treating swine waste;Angenent;Water Res.,2002
4. Inhibition of nitrification by ammonia and nitrous acid;Anthonisen;Water. Pollut. Contr.,1976
5. Ammonia emissions and their role in acid deposition;ApSimon;Atmos. Environ.,1987