TY  - BOOK
AU  - Beynon-Davies, Paul
TI  - Expert Database systems: A Gentle Introduction
T2  - The McGraw-Hill International Series in Software Engineering
SN  - 0077072405
U1  - 006.33,D,Bey 
PY  - 1991///
CY  - LoNew Delhion
PB  - McGraw-Hill
ER  -