@article{29742,
      author       = "Tengström, Erik 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        = "Some absolute tests of the results of IDM-measurements in
                      the field with a desctiption of formulas used in the tests 
                      ",
      year         = "1977",
      note         = "6 obr., 1 tab., lit. 6., 1 seš.",
}