00267nam a2200109Ia 4500008004100000041000800041082002200049100001400071245003200085260003200117300000800149211209s1965    xx            000 0 und d  aeng  a627.1 N65 LEV/SER  aLEVIAVSKY  aRIVER AND CANAL HYDRAULICS   bCHAPMAN AND HALL LTD.c1965  a236