TY  - GEN
AU  - DATE, C. J.
TI  - AN INTRODUCTION TO DATABASE SYSTEMS/ 
T2  - THE SYSTEMS PROGRAMMING SERIES
U1  - 001.64 D37 
PY  - 1990///
CY  - READING ; MASS: 
PB  - ADDISON-WESLEY
KW  - 1.INFORMACION - SISTEMAS DE ALMACENAMIENTO  Y RECUPERACION
ER  -