TY  - BOOK
AU  - Date,C.J.
TI  - An introduction to database systems
SN  - 020154329X
U1  - 005.74 22
PY  - 1995///
CY  - New york
PB  - Addison-Wesley Pub. Co.
KW  - Database management
N1  - Includes bibliographical references and index
ER  -