00243nam a2200109Ia 4500008004100000041000800041082002000049100001800069245002900087260000900116300000800125211209s1978    xx            000 0 und d  aeng  a621.381 N78 JAC  aJACOBOWITZ, H  aELECTRONICS MADE SIMPLE   c1978  a187