00233nam a2200109Ia 4500008004100000041000800041082002000049100001200069245002500081260000900106300000800115211209s1979    xx            000 0 und d  aeng  a532 N72 WAL/JOB  aWALSHAW  aMECHANICS OF FLUIDS   c1979  a599