@misc{indiciae12ea14fc9f55,
  title = {Beta-excited characteristic x-rays as energy reference sources.},
  author = {J F CAMERON and J R RHODES},
  year = {1960},
  doi = {10.1016/0020-708x(60)90045-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/13807158/},
  note = {Source identifier: 13807158}
}