@article{447,
      author       = "Sjöberg, Lars E. and IAG - meeting, Ediinburgh, August
                      1989.",
      title        = "A Refined Adjustement Model for the secular change of
                      Gravity on the Fennoscandian 63 Latitude Gravity line  ",
      year         = "1989",
      note         = "Obr. a tab. v textu - Liter.",
}