@misc{indiciae8877dca1387c,
  title = {A radiation instrument calibration system.},
  author = {E D Trout and J P Kelley and K E Weaver},
  year = {1969},
  doi = {10.1148/93.5.1027},
  url = {https://pubmed.ncbi.nlm.nih.gov/5350666/},
  note = {Source identifier: 5350666}
}