000 00334nam a2200145Ia 4500
008 220926s9999 xx 000 0 und d
100 _aPeter P.Galpin & Abraham lilberchaty
245 0 _aOperating System Concept
250 _a-
260 _a-
260 _b-
260 _c0
650 _aOperating System Concept
942 _cBK
999 _c17705
_d17705