TY  - BOOK
AU  -  Magnus Boman, Janis A. Bubenko Jr, Paul Johannesson & Benkt Wangler
TI  - Conceptual Modelling
SN  - 9780135148792
U1  - 658.40352 BOM 
PY  - 1997///
PB  -  Prentice Hall
ER  -