@article{10218,
      author       = "Gál, P. and XIIth Congress of the International Society of
                      Photogrammetry in Ottawa 1972",
      title        = "Generalbericht über die Tätigkeit der Kommision VI
                      1968-1972  ",
      year         = "1972",
      note         = "1 sv., 1 sv.",
}