00354nam a2200121Ia 450000500170000000800410001702000180005805000240007610000160010024500570011626000430017365000160021620251229085045.0251229s9999    xx            000 0 und d  a9780198563600  aTC 163 .C 37  1992.  aCasey  T. J 0aWater and wastewater engineering hydaulics.cJ Casey  aOxfordb Oxford university pressc1992  aHydraulics.