@article{6776,
      author       = "Grün, Armin and XIII. Congress of the International
                      Society for Photogrammetry, Helsinki, 1976",
      title        = "Die Simultane Kompensation Systematischer Fehler mit dem
                      Münchener Bondelprogramm MBOP  ",
      year         = "1976",
      note         = "Obr. a tab. v textu, 1 sv.",
}