000 00268nam a2200121Ia 4500
008 220201s1985 xx 000 0 eng d
100 _aMehta,VK
245 0 _aPrinciple of electrionic
250 _a3rd
260 _bS,chand&co.
_c1985
300 _a507
942 _2ddc
999 _c83195
_d83195