@misc{indiciae03631f3fa30e,
  title = {Photon sources for instrument calibration.},
  author = {E Storm and D W Lier and H I Israel},
  year = {1974},
  doi = {10.1097/00004032-197402000-00003},
  url = {https://pubmed.ncbi.nlm.nih.gov/4426757/},
  note = {Source identifier: 4426757}
}