@misc{indiciae252f7ab21096,
  title = {Electron beam effective source surface distances for a high energy linear accelerator.},
  author = {S C Sharma and M W Johnson},
  year = {1991},
  doi = {10.1016/0958-3947(91)90048-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/1907830/},
  note = {Source identifier: 1907830}
}