@misc{indiciae8e338c1c77f8,
  title = {Fluorine},
  author = {Timothy S. Hayes and M. Michael Miller and Greta J. Orris and Nadine M. Piatak},
  year = {2017},
  doi = {10.3133/pp1802g},
  url = {https://pubs.usgs.gov/publication/pp1802G},
  note = {Source identifier: pp1802G}
}