@article{34120,
      author       = "Czerski, Z. and 8th International Congress of
                      Photogrammetry, Stockholm, 1956",
      title        = "Über das optimale Richtungszentrum bei der
                      Radialtriangulation  ",
      year         = "1956",
      note         = "3 sv., cena za 3 sv.",
}