00401nam a2200145Ia 450000100060000000800410000602000180004704000130006508200210007810000240009924500670012326000470019030000110023754600070024817166140405s9999    xx            000 0 und d  a0-13-277699-5  cPK-LaUMT  a 621.3815bFLE-E  aWilliam I. Fletcher 3aAn engineering approach to digital designcWilliam I. Fletcher  aEnglwood Cliffs,USA:bPrentice-Hall,c1980  a766 p.  aEN