00309nam a2200121Ia 4500008004100000041001200041082001100053100001600064245007800080260000600158650000600164700001700170221030s9999    xx            000 0 und d  aEnglish  a105.23  aR. J. Tocci 0aDigital Systems Principles and Applicationscby R. J. Tocci, N. S. Widmer  c0  aB  aN. S. Widmer