000 00281nam a2200109Ia 4500
008 200701s1990 xx 000 0 eng d
100 _aHELFRICK
245 0 _aMODERN ELECTRONIC INSTRUMENTATION AND MEASUREMENT
260 _bPEARSON EDUCATION
_c1990
300 _a460
942 _2ddc
_cGE
999 _c2957
_d2957