000 00287nam a2200121Ia 4500
008 220201s9999 xx 000 0 eng d
082 _a621.381
_bGUP
100 _aGupta, BR
245 0 _aConsumer electronics
260 _bDelhi: S.K. Kataria & Sons
_c2K
300 _a361
942 _2ddc
999 _c86989
_d86989