@article{1218,
      author       = "Bingyan, Fang and ICA and 11th Internat. Cartographic
                      Conference ICA, Warsaw, Poland, August 1982",
      title        = "An Analytical Method for Researching Polyconical
                      Projections for World Maps  ",
      year         = "1982",
      note         = "1 sv., Obr. a tb. v textu",
}