@misc{indiciaea07850191a28,
  title = {Visual problems in industry. III.},
  author = {G A FRY},
  year = {1957},
  doi = {10.1097/00006324-195703000-00003},
  url = {https://pubmed.ncbi.nlm.nih.gov/13402864/},
  note = {Source identifier: 13402864}
}