00293nam a2200121Ia 4500008004100000020001500041041001200056100002000068245004400088260001500132300000800147650001600155221030s9999    xx            000 0 und d  a0333387147  aEnglish  aG. G. L. Wright 0aMastering Computerscby G. G. L. Wright  b-a-c1985  a227  aBB Computer