@article{2500,
      author       = "Klinghammer, I. and International Cartographic Association
                      and Working Session and Business Meeting, 21-26 Aug. 1973.
                      Budapest",
      title        = "Automated Map Information Service. By ... and Á.
                      Pápp-Váry  ",
      year         = "1973",
      note         = "1 seš.",
}