@article{35065,
      author       = "Beintema, Stellingwerff S. 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        = "The use of radiofrequences for electronic positioning
                      systems and the application in sercel s syledis  ",
      year         = "1977",
      note         = "6 obr., 1 seš.",
}