00267nam a2200109Ia 4500008004100000041001200041082001100053100001700064245006400081260000600145650000600151221030s9999    xx            000 0 und d  aEnglish  a105.23  aJ. R. Ullman 0aMicro Computer Technology- An Introductioncby J. R. Ullman  c0  aB