@article{13554,
      author       = "International Symposium "Geodesy and Physics of the Earth".
                      6. GDR Potsdam, August 22 - 27, 1988",
      title        = "International Symposium "Geodesy and Physics of the Earth".
                      6. GDR Potsdam, August 22 - 27, 1988. Proceedings. Part 2.
                      Gravity field variations. Development of precise terrestrial
                      and space techniques of geodetic measuring  ",
      year         = "1989",
      note         = "Obr. a tab. v textu. - Liter. angl., rus., něm. - Abstr. -
                      1 sv.",
}