@misc{indiciae8a0a0c2cab6c,
  title = {COLLIMATOR EFFICIENCY AND DESIGN. I. COLLIMATOR EFFICIENCY.},
  author = {A D ROTENBERG and H E JOHNS},
  year = {1965},
  doi = {10.1088/0031-9155/10/1/305},
  url = {https://pubmed.ncbi.nlm.nih.gov/14254497/},
  note = {Source identifier: 14254497}
}