@article{21682,
      author       = "Fejes, István and IAG Gen Meeting, Symposium 101  "Global
                      and Regional Geodynamics", Edinburgh, Scotland 3-5 August
                      1989 and IAG Gen Meeting, Symposium 101 "Global and Regional
                      Geodynamics", Edinburgh, Scotland 3-5 August 1989",
      title        = "Orbit Determination Accuracy Improvement by Space - VLBI
                      Observables as Tracking Data  ",
      year         = "1989",
      note         = "Četné obr. a tab. v textu. - Liter.",
}