@article{4314,
      author       = "Felletschin, V. and International Symposium on Terrestrial
                      Electromagnetic Distance Measurements and Atmospheric
                      Effects on Angular Measurements, Stockholm, 19 - 24 August
                      1974",
      title        = "Comparison between light and microwave measurementsin the
                      area of Karlsruhe  ",
      year         = "1974",
      note         = "6 obr., 7 tab., lit. 22., 1 sv.",
}