TY  - BOOK
AU  - Levene, Mark.
AU  - Loizou, George.
TI  - Guided tour of relational databases and beyond
SN  - 8181280512
U1  - 005.756  
PY  - 2003///
CY  - New Delhi
PB  - Springer
KW  - Entity relationship model
KW  - Relational database design
KW  - Incomplete information in the relational data model
ER  -