@misc{indiciae3b2a55cf9720,
  title = {An interactive computer graphics program for determining the shielding for a megavoltage radiotherapy facility.},
  author = {P J Biggs},
  year = {1982},
  url = {https://pubmed.ncbi.nlm.nih.gov/6818180/},
  note = {Source identifier: 6818180}
}