TY  - BOOK
AU  - Nijssen,G.M.
AU  - Halpin,T.A.
TI  - Conceptual schema and relational database design : a fact oriented approach
SN  - 0724801510
U1  - QA/76.9.D26 
PY  - 1989///
CY  - New York
PB  - Prentice Hall
KW  - Database design.
KW  - Relational databases
ER  -