@article{29134,
      author       = "Knudsen, Petr and IAG - Gen.meeting, Edinburgh, August 1989
                      Symp. 104",
      title        = "Simultaneous ostimation of the gravity field and sea
                      surface topography from satellite Altimeter data by least
                      squares collocation  ",
      year         = "1989",
      note         = "Liter. - Tab. v textu. - obr. v příl.",
}