000 00294nam a2200121Ia 4500
008 220201s1997 xx 000 0 eng d
082 _a621.3028
_bGUP
100 _aGupta, ML
245 0 _aElectrical engineering materials
260 _bDhanpat Rai & Sons
_c1997
300 _a206
942 _2ddc
999 _c86387
_d86387