TY - JOUR AU - Michael Unterweger C2 - International Journal of Applied Radiation and Isotopes DA - 2013-11-04 DO - https://doi.org/10.1016/j.apradiso.2013.11.017 LA - en M1 - 64 PB - International Journal of Applied Radiation and Isotopes PY - 2013 TI - UPDATE OF NIST HALF-LIFE RESULTS CORRECTED FOR IONIZATION CHAMBER SOURCE-HOLDER INSTABILITY ER -