000			00300nam a2200133Ia 4500
008			221030s9999 xx 000 0 und d
041			_aEnglish
082			_a105.23
100			_aC J Date
245		3	_aAn Introduction to Database system _cby C J Date
260			_c0
650			_aMc
942			_cBK
999			_c12959 _d12959