000 00333nam a2200133Ia 4500
008 220201s1993 xx 000 0 eng d
082 _a621.3
_bGUP
100 _aGupta, R B & Sharma, B R
245 0 _aElectricals engineering materials
250 _a3
260 _aNew Delhi
_bStaya Prakashan
_c1993
300 _a252
942 _2ddc
999 _c26299
_d26299