@article{679,
      author       = "Deněgre, J. and Foin,P. and I.G.N. and 9.mezinár. konf.
                      kart.,Rockville,Md. 1978",
      title        = "Acquisition, traitement et gestion des donnés
                      cartographoques: Le systeme informatiques de ĺ I.G.N  ",
      year         = "1978",
      note         = "2x1 seš.",
}