000 00345nam a2200145Ia 4500
008 230913s9999 xx 000 0 und d
082 _a621.3812 gup
100 _aGupta, B.R
245 0 _aElectronics And Instrumentation
260 _aNEW DELHI
260 _bS.CHAND
260 _c2003
300 _a521
650 _aElectronics Engineering
999 _c133357
_d133357