00322nam a2200121Ia 4500008004100000082001400041100001400055245004300069250001200112260004100124300000800165650002700173230106s9999    xx            000 0 und d  a620bGU-E  aGupta J.B 0aElectronics and electrical measurement  a1st Ed.  aNew DelhibEss Kay Publicationc1990  a812  aMechanical Engineering