00289nam a2200109Ia 4500008004100000041000800041082001900049100001200068245004700080260004400127300000800171211209s1974    xx            000 0 und d  aeng  a629.89 N74 PET  aPETER D  aENGINEERING SYSTEMS AND AUTOMATIC CONTROL   aNEW JERSYbPRENTICE-HALL OF INDIAc1974  a444