@article{16907,
      author       = "Brandenberger, A. J. and XIIth Congress of the
                      International Society of Photogrammetry in Ottawa",
      title        = "Macro - Economic Investiqations into Photogrammetric
                      Mapping Activities. Invited Paper  ",
      year         = "1972",
      note         = "1 sv., obr. v textu",
}