000 00282nam a2200097Ia 4500
008 150310s9999 xx 000 0 und d
100 _aALBERT D HELFRICK & WILLIAM D COOPER
245 _aMODERN ELECTRONIC INSTRUMENTATION AND MEASUREMENT TECHNIQUES
250 _a1
260 _c2008
_bPHI
999 _c32170
_d32170