000 00345nam a2200145Ia 4500
008 221231s9999 xx 000 0 und d
100 _aSilberschatz , Abraham
_91746
245 0 _aData Base Systems  Concepts
250 _a3
260 _bMc Graw Hill
260 _c1999
300 _a821
650 _aComputer Science
_91747
942 _cBE_BK
999 _c2174
_d2174