000 00335nam a2200133Ia 4500
008 240817s9999 xx 000 0 und d
082 _a001.6 K84,d
100 _aKorth , Henry F.
245 0 _aDatabase System Concepts
260 _c1991
_a Newyork
_b McGraw - Hill
300 _axix , 694 p.
650 _a Computer Science
942 _cBK
999 _c255
_d255