00338nam a2200133Ia 4500100001700000650002700017490000800044654004300052245004300095260003100138082001500169300000800184546001200192  aknight/ S.A   aElectrical Engineering  vIII  aElectrical And  Electronics Principals  aElectrical And  Electronics Principals  bButtersworthaLondonc1982  a621.3bKni  a151  aENGLISH