000 00404nam a2200145Ia 4500
008 221007s9999 xx 000 0 und d
020 _a9780135932940
082 _a629.135
_bHEL
100 _aHelfrick Albert D
245 0 _aModern Electronic Instrumentation & Measurement Techniques
260 _aPHI, New Delhi
_bPHI, New Delhi
_c2009
300 _a445
650 _aELECTRONICS ENGG.
942 _cBK
999 _c1370
_d1370