@article{21291,
      author       = "Ghitäu, Dumitru and XVIII General Assembly of IUGG
                      Hamburg, August 1983",
      title        = "On some Geodetic Work in the Geodynamic Polygon Gruiu -
                      Caldarusani (Roumania). XVIII General Assembly of IUGG
                      Hamburg, August 1983  ",
      year         = "1983",
      note         = "Liter. - Obr. příl., 1 sv.",
}