@article{24168,
      author       = "Witte, Bertold U. 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        = "Precise measurement of vertical distances using
                      elektrooptical rangefinders  ",
      year         = "1977",
      note         = "3 obr., lit. 7., 1 seš.",
}