000 00275nam a2200109Ia 4500
008 181012s9999 xx 000 0 und d
100 _aHELFRICK ALBERT D
245 0 _aMODERN ELECTRONIC INSTRUMENTATION AND MEASUREMENT
365 _b350
650 _aELECTRONICS
942 _cBK
999 _c15711
_d15711