TY - JOUR AU - Cessna, Jeffrey AU - Fitzgerald, Ryan AU - Zimmerman, Brian AU - Laureano-Perez, Lizbeth AU - Bergeron, Denis C2 - Applied Radiation and Isotopes DA - 2017-11-07 DO - https://doi.org/10.1016/j.apradiso.2017.10.052 LA - en M1 - 134 PB - Applied Radiation and Isotopes PY - 2017 TI - Results of an International Comparison of Activity Measurements of 68Ge ER -