@misc{indiciae28014283aa0e,
  title = {Primary Attenuation Intermediate Frequency Substitution Calibration Method.},
  author = {Kypta, Timothy and Sandoval, Ricky and Hale, William and Martin, Edward},
  year = {2022},
  doi = {10.2172/2004771},
  url = {https://www.osti.gov/biblio/2004771},
  note = {Source identifier: 2004771}
}