@misc{1198131,
  author = {J H Hubbell},
  title = {Annotated and indexed bibliography of experimental photon-attenuation coefficients for compounds:},
  year = {1990},
  month = {1990-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.IR.90-4282},
  language = {en},
}