@misc{indiciae309d8ae68a5c,
  title = {Confined spaces--a case for ventilation.},
  author = {W J Astleford and R L Bass and J C Buckingham and T B Morrow},
  year = {1987},
  url = {https://pubmed.ncbi.nlm.nih.gov/3591641/},
  note = {Source identifier: 3591641}
}