@article{13563,
      author       = "International associacion of geodesy and International
                      symposium on satellite geodesy Budapest , 28.6. - 1.7. 1977",
      title        = "International symposium on satellite geodesy Budapest,
                      28.6. - 1.7. 1977. Program  ",
      year         = "1977",
      note         = "1 sv.",
}