00264nam a2200109Ia 4500008004100000082001100041082000800052245006900060245000800129260000800137300000900145231017s9999    xx            000 0 und d  a621.18  bTHO 0aHydraulic Design of Energy Dissipators for Culverts and Channels 0cFHA  bFHA  c30cm