00421nam a22001577a 4500003000400000005001700004008004100021020001500062040000800077082002200085100002600107245008500133250001000218300001100228650002400239OSt20220505082440.0030206s2002    ck            000 0 spa d  a8448146441  cOSt04221a005.754bS3531 aSilberschatz, Abraham00aFundamentos de bases de datoscAbraham Silberschatz-Henry F. Korth- S. Sudarshan  a5 ed.  a953 p.042LEMBxBASE DE DATOS