@article{31750,
      author       = "Förstner, Wolfgang and FIG and Meeting of FIG Study Group
                      5B Survey Control Networks, 7th-9th July 1982, Aalborg",
      title        = "Systematic Errors in Photogrammetrie Point Determination  ",
      year         = "1982",
      note         = "Tb. v textu. - Liter., 1 sv.",
}