@misc{indiciae36117998fce8,
  title = {Fitting of diaphragms.},
  author = {E Weisberg},
  year = {1980},
  doi = {10.5694/j.1326-5377.1980.tb131844.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/7432308/},
  note = {Source identifier: 7432308}
}