@misc{indiciae5ff705c56a4b,
  title = {Sensitive microbiological detector for air pollution.},
  author = {H A Druett and L P Packman},
  year = {1968},
  doi = {10.1038/218699a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/5655967/},
  note = {Source identifier: 5655967}
}