000 00352nam a2200145Ia 4500
008 230913s9999 xx 000 0 und d
082 _a621.38154 hel
100 _aHelfrick, Albert D
245 0 _aModern Electronic Instrumentation
260 _aNEW DELHI
260 _bPHI
260 _c2000
300 _a446
650 _aElectronics Engineering
999 _c129014
_d129014