000 00270nam a2200109Ia 4500
008 220201s2011 xx 000 0 eng d
082 _a621.381-GUP
100 _aGupta, J. B.
245 0 _aElectronic Devices And Circuits
260 _aNew Delhi
_bSks
_c2011
942 _2ddc
999 _c65420
_d65420