@misc{indiciae6d514e469dfd,
  title = {A rapid method to quantify nitrifiers in activated sludge.},
  author = {Reto Manser and Kathrin Muche and Willi Gujer and Hansruedi Siegrist},
  year = {2005},
  doi = {10.1016/j.watres.2004.12.040},
  url = {https://pubmed.ncbi.nlm.nih.gov/15878031/},
  note = {Source identifier: 15878031}
}