000 00309nam a2200121Ia 4500
020 _a9788120307520
100 _aAlbert D Helfrick
245 _aModern Electronic Instrumentation and Measurement Techniques
260 _c2011
_bPHI
_aNew Delhi
300 _axii+446
700 _aWilliam D Cooper
942 _cBK
999 _c14360
_d14360