TY  - BOOK
AU  - Date,C.J.
TI  - An introduction to database systems
T2  - Addison-Wesley Systems Programming Series
SN  - 0-201-54329-X
AV  - QA76.9 .D3 D38 1995
PY  - 1995///
CY  - Reading, Mass.
PB  - Addison-Wesley
N1  - Incluye bibliografia
ER  -