000 003280000a22001450004500
001 EST
003 681.3.08 / D17 / 2000
004 M
006 m
100 _aDate, C. J.
245 _aAn introduction to database systems
047 _a0-201-38590-2
650 _a<BASES DE DATOS><SISTEMAS><INFORMATICA>
999 _c18006
_d18006