@article{11305,
      author       = "Tscherning, C. C. and Forsberg, R. and Geod. Inst.
                      Charlottenlund and 19. IUGG - Vancouver, Aug. 9-22, 1987",
      title        = "Geoid determination in the Nordic countries - a status
                      report  ",
      year         = "1987",
      note         = "Abstr. - Liter. - 8 obr., 1 sv.",
}