@article{229,
      author       = "Eissfeller, Bernd and Hein, Günter W.",
      title        = "A Contribution to 3d-Operational Geodesy. Part 4. The
                      Observation Equations of Satellite Geodesy in the Model of
                      Integrated Geodesy  ",
      year         = "1986",
      note         = "Obr. a příkl. v textu. - Liter., Dezember 1986, 1 sv.",
}