000 00270nam a2200121Ia 4500
008 180304s9999 xx 000 0 und d
020 _a9788131502006
100 _aAyala
245 4 _aThe 8051 Microcontroller 3rd Ed.
260 _bCengage
365 _b499
942 _cBK
999 _c3988
_d3988