Prof. Dr. rer. nat. Thomas H. Kolbe
Institute for Geodesy and Geoinformation Science
Technical University Berlin
Straße des 17. Juni 135
10623 Berlin, Germany
Phone: +49 (0)30 / 314-23274
EMail: kolbe(at)igg.tu-berlin.de

(Speaker of the SIG 3D of the GDI NRW)

Dr. Gerhard Gröger
Institute for Geodesy and Geoinformation
University of Bonn
Meckenheimer Allee 172
53115 Bonn, Germany
Phone: +49 (0)228 / 73-1764
EMail: groeger(at)ikg.uni-bonn.de

(Speaker of the Modeling Group of the SIG 3D)