000 00280nam a2200109Ia 4500
008 220201s1997 xx 000 0 eng d
100 _aSeth, SP & Gupta, PV
245 0 _aCourse in elect engineering materials
260 _bDhanpat Rai & Sons
_c1997
300 _a344
942 _2ddc
999 _c86571
_d86571