@article{1219,
      author       = "Bartorelli, Ugo and VIII International Congress of
                      Photogrammetry, Stockholm, July 1956",
      title        = "An Analytical Method of Aerial Triangulation. A Paper
                      Presented to the III Commission of the International Society
                      of Photogrammetry at its VIII Congress in Stockholm  ",
      year         = "1956",
      note         = "1 sv., 2 sv., 1 sv., 1 sv.",
}