@misc{indiciae3e06154ca7bc,
  title = {Computer and approximation methods of calculating depth dose in irregularly shaped fields.},
  author = {F M Khan and S H Levitt and V C Moore and T K Jones},
  year = {1973},
  doi = {10.1148/106.2.433},
  url = {https://pubmed.ncbi.nlm.nih.gov/4684488/},
  note = {Source identifier: 4684488}
}