@article{10284,
      author       = "Elmiger, A. and Köchle, R. and Chaperon, F. and Ryf,
                      Adrian",
      title        = "Geodätische Alpentraverse Gotthard  ",
      year         = "1995",
      note         = "Obr. a tab. v textu. - Mapky. - 1 sv.",
}