00309nam a2200121Ia 4500008004100000041000800041082001900049100001800068245004000086250001000126260004300136300000800179211209s1973    xx            000 0 und d  aeng  a621.31 N73 PAR  aPARKERSMITH S  aPROBLEMS IN ELECTRICAL ENGINEERING   a8 ed.  aNEW DELHIbASIA PUBLISHING HOUSEc1973  a346