@article{349,
      author       = "Skoda, L. and Cartographic Techniques, 6th International
                      Cartographic Association Conference, Ottawa, August 1972",
      title        = "A Mechanical Method of Constructing Egual Population
                      Dencity Maps  ",
      year         = "1972",
      note         = "1 seš. A paper for presentation on Theme 7",
}