00336nam a2200133Ia 4500008004100000020001500041041001200056082001600068100002000084245004900104260002500153300000800178650001600186221030s9999    xx            000 0 und d  a812030974X  aEnglish  a105.23bTan  aA. S. Tanenbaum 0aModern Operating systemscby A. S. Tanenbaum  bPHIaNew Delhic1999  a728  aBE Computer