TY - JOUR A1 - Hartmann, Jürgen A1 - Machin, G. A1 - Bloembergen, P. A1 - Sadli, M. A1 - Yamada, Y. T1 - A concerted international project to establish high-temperature fixed-points for primary thermometry JF - International Journal of Thermophysics Y1 - 2007 UR - http://permalink.bibkatalog.de/BV013298193 IS - 28 SP - 1976 EP - 1982 ER -