@misc{indiciae0d5792e6c7ce,
  title = {Colorimetric determination of fluoride in water using ferric chloride},
  author = {Margaret D. Foster},
  year = {2002},
  doi = {10.1021/ac50084a005},
  url = {https://pubs.usgs.gov/publication/70010576},
  note = {Source identifier: 70010576}
}