00309nam a2200109Ia 4500008004100000082002000041100001700061245004900078250001400127260004800141300001000189150201s2009    xx            000 0 und d  a621.381548bBEL  aDavid,A Bell  aElectronics instrumentation and measurements  a2nd . Ed.  bPHI Learning Private LimitedaN.Delhic2009  a450p.