@misc{indiciae5c508066705d,
  title = {Calculating photon beam characteristics with Monte Carlo techniques.},
  author = {W van der Zee and J Welleweerd},
  year = {1999},
  doi = {10.1118/1.598694},
  url = {https://pubmed.ncbi.nlm.nih.gov/10505877/},
  note = {Source identifier: 10505877}
}