@article{13716,
      author       = "Konieczny, J. and Federowska, J. and XIII. Congress of the
                      International Society for Photogrammetry, Helsinki, 1976.
                      Commission II",
      title        = "Investigations of the Accuracy and Performance of TOPOCART
                      B  ",
      year         = "1976",
      note         = "1 sv.",
}