00273nam a2200109Ia 4500008004100000041001200041082002400053100001200077245004800089260001800137300000800155231217s9999    xx            000 0 und d  aEnglish  a621.38152  SIE;1  R  aSiemens 0aDesign exampless of semiconductors circuits  c1978bSiemens  a188