International Symposium on Dams and Reservoirs Under Changing Challenges During the 79Th Annual Meeting of the International-Commission-On-Large-Dams (Icold), Date: JUN 01, 2011, Location: Lucerne, SWITZERLAND, Sponsors: Int Commiss Large Dams, KWO, STUCKY, Marti Holding AG Bauunternehmungen, BKW FMB Energie AG, Swiss Confederat, Swiss Fed Off Energy, POYRY, Huggenberger AG, EWZ Energie, ALPIQ, REPOWER, Ofima Maggia Kraftwerke AG, Grande Dixence, Holcim, KWZ Kraftwerke Zervreila AG, FMV, EnAlpin, SIG, SFMCP, Kraftwerke KHR Hinterrhein AG, EKWOEE, ACE, IM