@misc{1153861,
  author = {J M R Hutchinson},
  title = {Calibration of five gamma-emitting nuclides for emission rate:},
  year = {1960},
  month = {1960-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.TN.71},
  language = {en},
}