@misc{indiciae6e33a6aa297b,
  title = {Electron-beam radiographs.},
  author = {B E Keller},
  year = {1978},
  doi = {10.1148/128.3.830b},
  url = {https://pubmed.ncbi.nlm.nih.gov/674678/},
  note = {Source identifier: 674678}
}