000			00415nam a2200157Ia 4500
008			230312s9999||||xx |||||||||||||| ||und||
020			_a0-07-114810-8
082			_a005.74 _bSIL-D
100			_aSilberschatz Abraham
245		0	_aDatabase system Concepts
260			_bMcGraw Hill _aNew York _c1997
300			_a821
546			_aEng.
650			_aComputer _vIntroduction , Entity Relationship Model
942			_cBK
999			_c3027 _d3027