@article{33342,
      author       = "Haverlík, Ivan and Jozef Krcho and International
                      Cartographic Association. Commission III - Automation in
                      Cartography. Working Session and Business Meeting 21-26
                      August, 1973 Budapest, Hungary",
      title        = "Theoretical Problems of Isoline Maps Construction by Means
                      of Computer  ",
      year         = "1973",
      note         = "6 obr. na příl., 1 sv., separáty",
}