000 00289nam a2200133Ia 4500
008 230401s2011 xx 000 0 eng d
082 _a621.317
100 _aSINGH ( M D)
245 0 _aPOWER ELECTRONICS
250 _a2
260 _bDELHI TMH
_c2011
300 _a1071
942 _2ddc
_cBTECH
999 _c226
_d226