@misc{indiciae5849af16088d,
  title = {Angular diameter of defocus blur discs.},
  author = {G Smith},
  year = {1982},
  doi = {10.1097/00006324-198211000-00006},
  url = {https://pubmed.ncbi.nlm.nih.gov/7180930/},
  note = {Source identifier: 7180930}
}