000 00276nam a2200121Ia 4500
008 220201s2008 xx 000 0 eng d
082 _a621.3-GUP
100 _aGupta, J.B
245 0 _aElectrical science
260 _aNew Delhi
_bKatsom
_c2008
300 _a576
942 _2ddc
999 _c64820
_d64820