@article{27520,
      author       = "Habrich, H. and Neumaier, P. and Seeger, H. and Konfer.
                      Vienna, 1994",
      title        = "Results of the EUREF-NORTH-WEST 1990. GPS-Campaign  ",
      year         = "1994",
      note         = "Obr. a tab., 1 sv.",
}