@article{10442,
      author       = "XVIII General Assembly of the IUGG Hamburg, August 1983",
      title        = "Geodetic and Geophysical Works excuted from 1979 to 1982.
                      National Report. Portugal. XVIII General Assembly of the
                      IUGG Hamburg, August 1983  ",
      year         = "1983",
      note         = "Mapky a tb. v textu., 1 sv.",
}