@article{223,
      author       = "Neumann, Jan and International Cartographic Association and
                      Working Session and Business Meeting 21-26 Aug. 1973,
                      Budapest",
      title        = "A Conception and Realization of the Czechoslovak Subsystem
                      of Cartographic Information: Principal Problems  ",
      year         = "1973",
      note         = "1 seš.",
}