@misc{indiciaea11ad244ecf8,
  title = {New developments in fluoride emissions from phosphate processing plants.},
  author = {F L Cross and R W Ross},
  year = {1969},
  doi = {10.1080/00022470.1969.10466451},
  url = {https://pubmed.ncbi.nlm.nih.gov/5764720/},
  note = {Source identifier: 5764720}
}