TY - BOOK ED - Academy of Sciences of the GDR ED - International Symposium "Geodesy and Physics of the Earth" TI - 6th International Symposium "Geodesy and Physics of the Earth": proceedings: part 2, gravity field variations T2 - Veröffentlichungen des Zentralinstituts für Physik der Erde PY - 1989/// CY - Potsdam PB - Central institute for physics of the earth KW - GeodesyGravity Field Variations ER -