@article{225,
      author       = "Fischer, Irene and The XIV Congress International
                      Federation of Surveyors (FIG),Washington D.C. 7. - 16.
                      September 1974",
      title        = "A Continental Datum for Mapping and Engineering in South
                      America  ",
      year         = "1974",
      note         = "1sv., obr. v textu, Presented to Commission V",
}