000 00239nam a2200097Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aROB, PETER, CORONEL, CARLOS,
245 0 _aDATABASE SYSTEM CONCEPTS
260 _bTMH
942 _2ddc
_cBTECH
999 _c6712
_d6712