@article{12900,
      author       = "Buychguens, L. M. and ICA and International Cartographic
                      Conference, Warsaw 1982",
      title        = "Information Retriveal Languages for Cartographic Document
                      Systems: Classifications and Thesauri. International
                      Cartographic Conference, Warsaw, 1982  ",
      year         = "1982",
      note         = "1 sv.",
}