@article{19092,
      author       = "Felletschin, Volker and International Association of
                      Geodesy  - Symposium on Electromagnetic Distance Measurement
                      and the Influence of Atmospheric Refraction, Wageningen,
                      Netherlands, 23 - 28  May 1977 and International Association
                      of Geodesy - Symposium on Electromagnetic Distance
                      Measurement and the Influence of Atmospheric Refraction,
                      Wageningen, Netherlands, 23 - 28 May 1977",
      title        = "Möglichkeiten der genauigkeitssteigerung in der EDM mit
                      licht- und mikrowellen  ",
      year         = "1977",
      note         = "4 obr., 2 tab., bibliogr., 1 seš",
}