000 00262nam a2200109Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aSILBERSCHATZ ( ABRAHAM) , OTHERS,
245 0 _aDATA BASE SYSTEM CONCEPT
250 _aI
260 _bTMH
942 _2ddc
_cBTECH
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_d4655