Combined molecular and conventional analyses of nitrifying bacterium diversity in activated sludge : Nitrosococcus mobilis and nitrospira-like bacteria as dominant populations - Juretschko, Stefan; Koops, Hans-Peter.; Pommerening-Roser, Andreas; Schleifer, Karl-Heinz.; Schmid, Markus; Timmermann, Gabriele; Wagner, Michael
Keywords: Activated sludge; Molecular probe; Nitrification; Nucleotide sequence; Ribosomal DNA; Waste water purification