@misc{indiciae66afc9ef604f,
  title = {Advanced nitrogen elimination by encapsulated nitrifiers.},
  author = {M Sievers and K D Vorlop and J Hahne and M Schlieker and S Schäfer},
  year = {2003},
  url = {https://pubmed.ncbi.nlm.nih.gov/14682566/},
  note = {Source identifier: 14682566}
}