TY - JOUR AU - Coursey, Bert AU - Coll{eacute}, R AU - Coursey, J C2 - Applied Radiation and Isotopes DA - 2002-01-01 LA - en M1 - 56 PB - Applied Radiation and Isotopes PY - 2002 TI - Standards of Radium-226: From Marie Curie to the International Committee for Radionuclide Metrology ER -