@misc{indiciaefbe107a3a8ae,
  title = {Nitrification in biofilters under variable load and low temperature.},
  author = {J P Canler and J M Perret and F Lengrand and A Iwema},
  year = {2003},
  url = {https://pubmed.ncbi.nlm.nih.gov/12906281/},
  note = {Source identifier: 12906281}
}