Geospatial Crossroads GI_Forum '08: proceedings of the Geoinformatics Forum Salzburg ; [GI_Forum 2008 - 02 - Geoinformatics on stage! ; from July 01 - 04, 2008 at Salzburg University Centre for Geoinformatics (ZGIS), Austria] - Car, Adrijana; Griesebner, Gerald; Strobl, Josef (Wichmann, 2008)