@article{1240756,
  author = {Denis E. Bergeron and Jeffrey T. Cessna and Brittany Broder and Leticia Pibida and Ryan P. Fitzgerald and Morgan DiGiorgio and Elisa Napoli and Brian E. Zimmerman},
  title = {Activity standard and calibrations for 227Th with ingrowing progeny},
  year = {2024},
  number = {209},
  month = {2024-04-20 04:04:00},
  publisher = {Applied Radiation and Isotopes},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=957117},
  doi = {https://doi.org/10.1016/j.apradiso.2024.111326},
  language = {en},
}