000 00311nam a2200109Ia 4500
008 230621s9999 xx 000 0 und d
020 _a9780028018218
100 _aDonald P. Leach, Albert Paul Malvino 
_91959
245 0 _aDigital Principles and applications
260 _bTata McGraw-Hill
942 _cMCA
999 _c9301
_d9301