@misc{indiciae9248de8a1d5c,
  title = {70-mm filming: factors affecting image sharpness.},
  author = {R A Elmer},
  year = {1967},
  doi = {10.1148/89.3.420},
  url = {https://pubmed.ncbi.nlm.nih.gov/6034908/},
  note = {Source identifier: 6034908}
}