000 00274nam a2200109Ia 4500
008 220201s1993 xx 000 0 eng d
100 _aGUPTA M L
245 0 _aELECTRICALS ENGINEERING MATERIALS
260 _aDELHI
_bDHANPAT RAI AND SONS
_c1993
300 _a206
942 _2ddc
999 _c91285
_d91285