@misc{1223581,
  author = {Bert Coursey and Keith Martin},
  title = {Standards and Measurements of Ionizing Radiations in the 20th Century at the National Bureau of Standards/National Institute of Standards and Technology Chapter 1: 1901 - 1921},
  year = {2023},
  month = {2023-12-27 05:12:00},
  publisher = {Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=956957},
  doi = {https://doi.org/10.6028/NIST.SP.1298},
  language = {en},
}