@article{31692,
      author       = "IAG and Symposium on satellite geodesy. Participants list.
                      28.6. - 1.7. 1977 Budapest",
      title        = "Symposium on satellite geodesy. Participants list. 28.6. -
                      1.7. 1977  ",
      year         = "1977",
      note         = "1 sv.",
}