TY - GEN AU - Bert Coursey AU - Keith Martin C2 - Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD DA - 2023-12-27 05:12:00 DO - https://doi.org/10.6028/NIST.SP.1298 LA - en PB - Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD PY - 2023 TI - 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 UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=956957 ER -