@misc{indiciae64ed9177c2e9,
  title = {Visual problems of industry. I.},
  author = {G A FRY},
  year = {1957},
  doi = {10.1097/00006324-195701000-00001},
  url = {https://pubmed.ncbi.nlm.nih.gov/13381819/},
  note = {Source identifier: 13381819}
}