@article{4324,
      author       = "Tziavos, Ilias N. and Dep. Surv. Engng. - Univ. Calgary and
                      19. IUGG - Vancouver, Aug. 9-22, 1987",
      title        = "Comparison of the Gravity Spectrum as derived from A
                      360x360 Geopotential Model and Regional Gravity Data  ",
      year         = "1987",
      note         = "Obr. a tab. v textu. - Liter., 1 sv.",
}