00265nam a2200109Ia 4500008004100000041000800041082001600049100001300065245002800078260004100106300000800147211209s1962    xx            000 0 und d  aeng  a621.3 N SON  aSONI O P  aELECTRICAL ENGINEERING   aNEW DELHIbDHANIPAT RAI & SONSc1962  a177