@article{479,
      author       = "Bradsell, R. H. and National Physical laboratory Teddington
                      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        = "A simple calibrator for the mekometer EDM instrument  ",
      year         = "1977",
      note         = "2 obr., 1 seš.",
}