@misc{indiciaea92c208ae7a2,
  title = {Simplified method for determining cascade impactor stage efficiencies.},
  author = {J C Couchman and H M Moseley},
  doi = {10.1080/00028896709342487},
  url = {https://pubmed.ncbi.nlm.nih.gov/6039980/},
  note = {Source identifier: 6039980}
}