000 00279nam a2200109Ia 4500
008 190830s9999 xx 000 0 und d
082 _a621.3815 LEA
100 _aDonald Leach and Albert Malvino
245 0 _aDigital Principles and Applications
260 _c2010
942 _cBOOK
999 _c55084
_d55084