TY  - BOOK
AU  - Paredaens, Jan ed.
AU  - Bra, Paul De ed.Gyssens, M ed.Gucht, D van
TI  - The structure of the relational database model
SN  - 3540137149
U1  - 004.652.4 P15S 
PY  - 1989///
CY  - Berlin
PB  - Springer- Verlag
KW  - Database management
ER  -