00286nam a2200109Ia 4500008004100000041000800041082001700049100002500066245003800091260004000129365000700169230303s9999    xx            000 0 und d  aeng  a621.3077 SMI  aSmiths ( S. Parker )  aProblems in Electrical Engineerng  aNDbC.B.S Publisher and Distributor  cRS