@article{42566,
      author       = "XIII. Congress of the International Society for
                      Photogrammetry. Helsinki, July 11 to 23, 1976. Commission V",
      title        = "Metric or Non-Metric Cameras",
      note         = "S. 103 - 113. - cena 20,-  1976, Photogrammetric
                      Engineering and Remote Sensing, Vol. 42, No. 1",
}