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020 _a81-7656-847-3
082 _a621.381 LOT
100 _aLotia, Manahar
245 0 _aModern UPS
260 _aBPB publications
_bNew Delhi
_c2006
300 _a63p.;55cm
_b99
650 _aELECTRONICS
999 _c180581
_d180581