000 00253nam a2200109Ia 4500
008 220201s9999 xx 000 0 eng d
082 _a004.165-AYA
100 _aAyala
245 4 _aThe 8051 Microcontroller
260 _aNew Delhi
_bCenage
942 _2ddc
999 _c65245
_d65245