000 00330nam a2200145Ia 4500
008 170929s9999 xx 000 0 und d
040 _aMAIN
041 _aEnglish
082 _a681.14/OCC
100 _aOCCARDI VAL
245 _aRELATIONAL DATABASES
260 _bB.P.B.
_c1993
650 _aINFORMATION TECHNOLOGY
942 _cBK
999 _c8235
_d8235