@misc{indiciae1dd20d93f232,
  title = {Aerial sampling by helicopter using a high volume sampler.},
  author = {J C Webb and J C Kinchen and J E Scarberry},
  year = {1970},
  doi = {10.1080/00022470.1970.10469424},
  url = {https://pubmed.ncbi.nlm.nih.gov/5449170/},
  note = {Source identifier: 5449170}
}