@article{29758,
      author       = "Sigmark, Ejnar and VIII International Congress for
                      Photogrammetry. Commission II. Stockholm, 1956",
      title        = "Some Examples of the Application of the Grid Method for the
                      Determination of the Inner Orientation of Terrestrial
                      Cameras  ",
      year         = "1956",
      note         = "1 sv., 1 příl.",
}