TY  - BOOK
AU  - Paredaens Jan
AU  -  Bra Paul de
AU  -  Gyssens Mare
TI  - Structure of relational database model
T2  - EATCS monographs on theoretical computer science; 17
U1  - D65,8(B):3, M9 
PY  - 1989///
CY  - Berlin
PB  - Springer-verlag         
KW  -  Database
KW  - Computer science
ER  -