00253nam a2200109Ia 4500008004100000041000800041082001900049100001500068245004300083260000900126300000800135211209s1978    xx            000 0 und d  aeng  a621.31 N78 ANG  aANGELO C G  aELECTRICAL PRINCIPLES FOR ELECTRONICS   c1978  a489