@misc{indiciae88ec3a15c785,
  title = {An automatic gamma-ray exposure device.},
  author = {P N Casbolt},
  year = {1967},
  doi = {10.1259/0007-1285-40-470-138},
  url = {https://pubmed.ncbi.nlm.nih.gov/6017619/},
  note = {Source identifier: 6017619}
}