@article{4312,
      author       = "Ottoson, L. and 8th International Congress of
                      Photogrammetry, Stockholm, 1956",
      title        = "Comparative Tests of the Accuracy of Panchromatic, Infra -
                      Red and Colour Pictures from the Air for Photogrammetric
                      Purposes  ",
      year         = "1956",
      note         = "1 sv., čet. obr., Communication of the Commission I",
}