@misc{indiciaeec77ee20f380,
  title = {A method of large irregular field compensation.},
  author = {P M Leung and J Van Dyk and J Robins},
  year = {1974},
  doi = {10.1259/0007-1285-47-563-805},
  url = {https://pubmed.ncbi.nlm.nih.gov/4434006/},
  note = {Source identifier: 4434006}
}