000 00291nam a2200097Ia 4500
008 190719s9999 xx 000 0 und d
100 _aAlbert D Helfrick/ William D Cooper
245 0 _aModern electronic instrumentation and measurement techniques
260 _aNew Delhi
_bPHI
_c1992
942 _cBK
999 _c8283
_d8283