TY  - BOOK
AU  - Gardarin Georges
AU  -  Valduriez Patrick
TI  - Relational databases and knowledge bases
U1  - D65,8(B):3:(X:8), M9 
PY  - 1989///
CY  - Reading
PB  - Addison - Wesley       
KW  -  Database management
KW  - Computer Science
ER  -