@misc{indiciaea0cb56793be8,
  title = {Ammonium removal from digested sludge liquors using ion exchange.},
  author = {A Thornton and P Pearce and S A Parsons},
  year = {2006},
  doi = {10.1016/j.watres.2006.10.021},
  url = {https://pubmed.ncbi.nlm.nih.gov/17161445/},
  note = {Source identifier: 17161445}
}