@misc{indiciaed2536df4e279,
  title = {Impulse counter for checking x-ray timers.},
  author = {B R STEPHENSON and E G ESCHNER},
  year = {1951},
  doi = {10.1148/57.1.104},
  url = {https://pubmed.ncbi.nlm.nih.gov/14854191/},
  note = {Source identifier: 14854191}
}