000 00290nam a2200097Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aHELFRICK(ALBERT), COOPER(WILLIAM),
245 0 _aMODERN ELECTRONIC INSTRUMENTATION & MEASUREMENT A
260 _bPEARSON EDUCATION INDIA
942 _2ddc
_cBTECH
999 _c5102
_d5102