@misc{indiciaeb2186972542b,
  title = {X-rays in philately.},
  author = {H C POLLACK and C F BRIDGMAN},
  year = {1954},
  doi = {10.1148/62.2.259},
  url = {https://pubmed.ncbi.nlm.nih.gov/13134514/},
  note = {Source identifier: 13134514}
}