000 00301nam a2200133Ia 4500
008 241129s9999 xx 000 0 und d
100 _aSilbers chatz,Abraham
245 0 _aDatabase system concept
250 _a5th
260 _bTata McGraw Hill
260 _c2006
300 _a1142
942 _cBK
999 _c21198
_d21198