@misc{indiciae7b421e703785,
  title = {Air pollution studies: the ring oven technique.},
  author = {P W West and S L Sachdev},
  year = {1969},
  doi = {10.1021/ed046p96},
  url = {https://pubmed.ncbi.nlm.nih.gov/5769416/},
  note = {Source identifier: 5769416}
}