TY - JOUR AU - Bergeron, Denis AU - Cessna, Jeffrey AU - Zimmerman, Brian C2 - Applied Radiation and Isotopes DA - 2015-03-05 DO - https://doi.org/10.1016/j.apradiso.2015.03.008 LA - en M1 - 101 PB - Applied Radiation and Isotopes PY - 2015 TI - Secondary standards for 223Ra revised ER -