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020 _aNULL
035 _a21421
082 _a621.381
_BBHA / CHA
100 _aBhattacharyya / Chatterjee
245 0 _aIndustrial Electronic & Control
250 _a-
260 _aN. Delhi
_bTata McGraw - Hill Publishing Company Limited
300 _a647
500 _a9472
650 _aElectronic Engineering
942 _cBK
999 _c21421
_d21421