000 00276nam a2200109Ia 4500
008 200701s2002 xx 000 0 eng d
100 _aHELFRICK
245 0 _aMODERN ELECTRONIC INSTRUMENTATION AND MESUREMENT
260 _bPHI NEW DELHI
_c2002
300 _a441
942 _2ddc
_cGE
999 _c1423
_d1423