00274nam a2200109Ia 4500008004100000041001200041082001100053100001800064245007000082260000600152650000600158221030s9999    xx            000 0 und d  aEnglish  a105.23  aR. L. Tokheim 0aDigital Electronics Principles and Applicationscby R. L. Tokheim  c0  aB