@misc{indiciaeb6ffbc584559,
  title = {Air filtration units.},
  author = {C J Warbuton and R M Niven and C A Pickering},
  year = {1995},
  doi = {10.1016/0954-6111(95)90147-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/8570892/},
  note = {Source identifier: 8570892}
}