@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.", }