@misc{indiciaef06d4f405f62,
  title = {Water quality standards: progress and problems of implementation.},
  author = {W A Lyon},
  year = {1968},
  doi = {10.2105/ajph.58.2.348},
  url = {https://pubmed.ncbi.nlm.nih.gov/5689083/},
  note = {Source identifier: 5689083}
}