@article{26725,
      author       = "Rádai, Ödön and XIII. Congress of the International
                      Society for Photogrammetry, Helsinki 1976. Commission VII",
      title        = "Recent Crustal Movements Registred by the Aid of Airphoto
                      Interpretation  ",
      year         = "1976",
      note         = "separát, 1 sv.",
}