@inproceedings{Hartmann2001,
  author    = {Hartmann, J{\"u}rgen},
  title     = {Measurement of T-T90 down to zinc point temperatures with absolute filter radiometry},
  booktitle = {Proc. of TEMPMEKO},
  pages     = {377 -- 382},
  year      = {2001},
  language  = {en}
}