@misc{29706,
  author = {Leticia Pibida and Michael Unterweger},
  title = {Justification of Shielding Requirements for Plutonium Sources},
  year = {2012},
  number = {1758},
  month = {2012-09-12},
  publisher = {Technical Note (NIST TN), National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.TN.1758},
  language = {en},
}