@article{4321,
      author       = "Szabo, Bela and Twelfth General Meeting of the
                      International Association of Geodesy, Helsinki, July 19860",
      title        = "Comparison of the Deflection of the Vertical Components
                      Computed by Astro - geodetic. Gravimetric and Topographic -
                      isostatic Techniques  ",
      year         = "1960",
      note         = "1 sv., čet. příl., Presented at the",
}