000 00307nam a2200121Ia 4500
008 220201s1975 xx 000 0 eng d
082 _a621.3028
_bCHH
100 _aChhalotra,GP & Bhat,BK
245 0 _aElectrical engineering materials
260 _bDelhi: Khanna Pub.
_c1975
300 _a395
942 _2ddc
999 _c80186
_d80186