000			00501nam a2200205Ia 4500
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020			_c160
040			_aMAIN
041			_aEnglish
082			_a005.74 _bULL
100			_aUllman, Jeffrey D.
245			_aPrinciples of database sysytems
250			_a2nd ed.
260			_aNew Delhi _bGalgotia Publications _c1996
300			_a484p.
650			_aComputer database
650			_aDatabase sysytems
942			_cBK
999			_c36563 _d36563