000 00335nam a2200121Ia 4500
008 230921s9999||||xx |||||||||||||| ||und||
041 _aeng
100 _aWaklerly, John F
_913014
245 0 _aDigital design: principles and practices computer practices
_cWaklerly, John F
250 _a4th ed.
260 _bPearson
_c2009
942 _cBK
999 _c21369
_d21369