@article{28671,
      author       = "Blachut, T.J. and IXth International Congress of
                      Photogrammetry, London 1960",
      title        = "Second International Mapping Experiment. Renfrew Test Area 
                      ",
      year         = "1960",
      note         = "1 sv., více autorů, International Society for
                      Photogrammetry",
}