00281nam a2200121Ia 4500100001800000650002700018654002400045245002400069260003100093082001500124300000800139546001200147  aSinclair/I.R   aElectrical Engineering  aDigital Electronics  aDigital Electronics  bButtersworthaLondonc1983  a621.3bSin  a146  aENGLISH