Gruber, T.D-PAF Global Earth Gravity Models based on ERSThird ERS Scientific Symposium1997
Gruber, T.Improvements of D-PAF Altimeter ProductsThird ERS Scientific Symposium1997
Gruber, T.Aktuelle Hochauflösende Schwerefeldmodelle des GFZ2. Geodätische Woche1997
Gruber, T.;Reigber, C.The CHAMP Mission and its Capabilities to Recover the Ocean Surface from Reflected GPS SignalsJPL Workshop on Ionospheric Determination and Specification for Ocean Altimetry and GPS Surface Reflections1997