000 00315nam a22001217a 4500
999 _c2241
_d2241
020 _a9788120307520
082 _a621.30287
100 _aAlbert D Helfrick & William D Cooper
245 _aModern electronic instrumentation and measurement techniques
260 _aNew Delhi
_bPHI
_c2010
300 _a445
942 _cBK