@misc{indiciae06c03d3d2211,
  title = {Freon powered portable air sampling kit.},
  author = {R C CHARSHA and A L LINCH},
  year = {1957},
  doi = {10.1080/00968205709343481},
  url = {https://pubmed.ncbi.nlm.nih.gov/13435219/},
  note = {Source identifier: 13435219}
}