00338nam a2200133Ia 4500008004100000020001800041041000800059082002300067100002600090245003100116250001000147260003900157300000800196211209s1999    xx            000 0 und d  a9971-51-275-0  aeng  a005.44 N99 SIL/GAL  aSILBERSCHATZ, ABRAHAM  aOPERATING SYSTEM CONCEPTS   a5 ed.  aSINGAPOREbJOHN WILEY & SONSc1999  a888