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020 _a81-203-0752-6
040 _cFCIT
041 _aEng
082 _a621.319
_bHEL
100 _aHelfrick, Albert D
245 0 _aModern Electronic Instrumentation and Measurement Techniques
250 _a1st
260 _aNew Delhi
_bPhi
_c2000
650 _aElectric power
942 _cBK
_2ddc