@misc{indiciae0fe97a402ad9,
  title = {Why do messengers wear caps?},
  author = {M J Clemens},
  year = {1979},
  doi = {10.1038/279673a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/450115/},
  note = {Source identifier: 450115}
}