@article{16850,
      author       = "Scheinert, Mirko and 3th Hotine-Marussi Symp.",
      title        = "Lumped Coefficients Solution from Orbit Perturbations of
                      Low-Earth Orbiting Sattelites  ",
      year         = "1994",
      note         = "Obr. a příkl. v příl. - Liter., 1 sv,",
}