@article{19205,
      author       = "Fritz, Lawrence W. and Slama, Ch.C. and XIII. Congress of
                      the International Society for Photogrammetry, Helsinki,
                      1976. Commission I",
      title        = "Multi-Plate, Multi-Exposure Stellar Calibration  ",
      year         = "1976",
      note         = "Obr. v textu, 1 sv.",
}