@article{13480,
      author       = "Betty, Barbara and Sansó, Fernando and Internat. Summer
                      School on Satellite Geodesy. Assisi, Italy, May 23 - June
                      03, 1988",
      title        = "The Intergrated approach to satellite Geodesy  ",
      year         = "1988",
      note         = "Obr. v textu. - Liter.",
}