Institute für Erdmessung, University of Hannover, Am Schneiderberg 50, Hannover, D-30167 Germany ; Department of Mathematical Sciences and Technology, University of Environmental and Life Sciences, P O Box 5003, Aas, N-1432 Norway
Institute für Erdmessung, University of Hannover, Am Schneiderberg 50, Hannover, D-30167 Germany ;
Institute für Erdmessung, University of Hannover, Am Schneiderberg 50, Hannover, D-30167 Germany ;
Institute für Erdmessung, University of Hannover, Am Schneiderberg 50, Hannover, D-30167 Germany ;
Institute für Erdmessung, University of Hannover, Am Schneiderberg 50, Hannover, D-30167 Germany ;
Finnish Geodetic Institute, Geodeetinrinne 2, Masala, SF-02431 Finland ;
Finnish Geodetic Institute, Geodeetinrinne 2, Masala, SF-02431 Finland ;
Department of Mathematical Sciences and Technology, University of Environmental and Life Sciences, P O Box 5003, Aas, N-1432 Norway ;
Department of Mathematical Sciences and Technology, University of Environmental and Life Sciences, P O Box 5003, Aas, N-1432 Norway ;
Department of Mathematical Sciences and Technology, University of Environmental and Life Sciences, P O Box 5003, Aas, N-1432 Norway ;
Bundesamt für Kartographie und Geodasie, Richard Strauss Allee 11, Frankfurt, D-60598 Germany ;
Bundesamt für Kartographie und Geodasie, Richard Strauss Allee 11, Frankfurt, D-60598 Germany ;
Bundesamt für Kartographie und Geodasie, Richard Strauss Allee 11, Frankfurt, D-60598 Germany ;
Bundesamt für Kartographie und Geodasie, Richard Strauss Allee 11, Frankfurt, D-60598 Germany ;
Chalmers University of Technology, Onsala Space Observatory, Onsala, S-43992 Sweden ;
Chalmers University of Technology, Onsala Space Observatory, Onsala, S-43992 Sweden ;