@article{1241,
      author       = "Brennecke, J. and XVIII General Assembly IUGG, Hamburg
                      1983",
      title        = "An European Astro-gravimetric Geoid. XVIII General Assembly
                      IUGG, Hamburg 1983  ",
      year         = "1983",
      note         = "Tb., mapky a grafy v textu. - Liter., 1 sv.",
}