000 00278nam a2200109Ia 4500
020 _a9788120307520
082 _a621.3815
100 _aHELFRICK ALBERT D.
245 _aMODERN ELECTRONICS INSTRUMENTATION AND MEASUREMENT TECHNIQUES
260 _aNEW DELHI
_b PHI
_c1990
942 _cBK
999 _c3489
_d3489