@inproceedings{HartmannMachinBloembergenetal.2007,
  author    = {Hartmann, J{\"u}rgen and Machin, Graham and Bloembergen, P. and Sadli, M. and Yamada, Y.},
  title     = {A concerted international project to establish hig-temperature fixed-points for primary thermometry},
  address   = {Banf (Kanada)},
  year      = {2007},
  language  = {en}
}