@article{26880,
      author       = "Agnus-Leppan, P. V. and International Symposium on
                      Terrestrial Electromagnetic Distance Measurements and
                      Atmospheric Effects on Angular Measurements, Stockholm, 19 -
                      24 August 1974",
      title        = "Refraction over snow and ice surfaces",
      year         = "1974",
      note         = "3 obr., tab., bibliogr., 1 seš.",
}