@article{20508,
      author       = "Bartorelli, Ugo and VIII International Congress of
                      Photogrammetry, Stockholm, July 1956",
      title        = "Notes sur le Photostéréographe Nistri mod. Beta/2  ",
      year         = "1956",
      note         = "1 sv., 1 sv., Souběžný název v jazyce anglickém",
}