Rainer Reuter
University of Oldenburg
Institute of Physics
D-26111 Oldenburg, Germany

Zbigniew Bochenek
Institute of Geodesy and Cartography
Modzelewskiego 27
PL-02-679 Warsaw, Poland

Gurcan Buyuksalih
Karaelmas University
Department of Geodesy & Photogrammetry
TR-67100 Zonguldak, Turkey

Matthias Braun
Center for Remote Sensing of Land Applications
University of Bonn
D-53113 Bonn, Germany

Mario Caetano
Instituto Geográfico Português
PT-1099-052 Lisboa, Portugal

Preben Gudmandsen
Technical University of Denmark
Building 348
DK-2800 Lyngby, Denmark

Carine Petit
Science Policy Office
BE-1000 Brussels, Belgium

Robin Vaughan
University of Dundee
Centre for Remote Sensing and Environmental Monitoring
Dundee DD1 4HN, UK

Stefan Wunderle
University of Berne
Department of Geography
CH-3012 Berne, Switzerland

Bogdan Zagajewski
Warsaw University
Faculty of Geography and Regional Studies
00-927 Warszawa, Poland