@article{21424,
      author       = "Strykowski, Gabriel and Forsberg, René and IAG Sci.
                      Assem., Rio de Janeiro, 1997",
      title        = "Operational merging of satellite, airborne and surface
                      gravity data by draping techniques  ",
      year         = "1997",
      note         = "Lit. - Abstr. - 1 sv.",
}