TY - CONF A1 - Rudtsch, S. T1 - High purity fixed points of ITS-90 with traceable analyses of impurity concentrations T2 - TEMPMEKO 2007, 10th International Symposium on Temperature and Thermal Measurements in Industry and Science, Chateau Lake Louise T2 - TEMPMEKO 2007, 10th International Symposium on Temperature and Thermal Measurements in Industry and Science, Chateau Lake Louise CY - Lake Louise, Canada DA - 2007-05-21 PY - 2007 AN - OPUS4-14635 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -