00253nam a2200097Ia 4500008004100000082001200041100001800053245003400071260003800105300001200143241003s9999    xx            000 0 und d  a660.283  aLEVENSPIEL, O 0aCHEMICAL REACTION ENGINEERING  bWILEY, INTERNATIONAL aN.Y.c1966  aXV, 501