@article{24765,
      author       = "Proceedings of the 13th International Cartographic
                      Conference. Morelia, Mich.Mexico. October 12-21, 1987.
                      Volume l",
      title        = "Proceedings of the 13th International Cartographic
                      Conference. Morelia, Mich.Mexico. October 12-21, 1987.
                      Volume l  ",
      year         = "1988",
      note         = "Liter.angl.,fr. - Obr. a tab. v textu. - 1 sv.
                      Souběž.titul franc.",
}