@article{16395,
      author       = "International Geographical Union European Regional
                      Conference, Budapest 1971",
      title        = "Legend to the International Geographical Map of Europe 1 :2
                      500 000. 5th version  ",
      year         = "1971",
      note         = "1 brož., International Geographical Union - Commission on
                      Geomorphic Survey and Mapping",
}