000 00257nam a2200097Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aRITCHIE COLIN
245 0 _aPRINCIPAL A DATA BASE SYSTEM AND DESIGN
260 _bCENGAGE PUBLISHER (.)
942 _2ddc
_cBTECH
999 _c8492
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