000 00342nam a2200145Ia 4500
008 221231s9999 xx 000 0 und d
100 _aDeitel , Harvey M
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245 0 _aIntroduction to Operating Systems
250 _a2nd
260 _bPearson
260 _c1990
300 _a853
650 _aComputer Science
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942 _cBE_BK
999 _c3722
_d3722