1. Methanogenesis in thermophilic biogas reactors;Ahring;Antonie Leeuwenhoe,1995
2. In situ identification of microorganisms by whole cell hybridization with RNA-targeted nucleic acid probes;Amman,1995
3. Anaerobic treatment of industrial wastewaters;Annachhatre;Res. Conserv. Rec.,1996
4. Inhibition of nitrification by ammonia and nitrous acid;Anthonisen;J. Water Pollut. Control Fed.,1976
5. Standard Methods for the Examination of Water and Wastewater;APHA,2005