@misc{indiciae77b67ddd65e4,
  title = {Reducing electron contamination for photon beam-quality specification.},
  author = {X A Li and D W Rogers},
  year = {1994},
  doi = {10.1118/1.597395},
  url = {https://pubmed.ncbi.nlm.nih.gov/7935216/},
  note = {Source identifier: 7935216}
}