TY  - BOOK
AU  - Fitzgerald, John
TI  - Modelling systems : practical tools and techniques in software development 
SN  - 978 0 521 89911 6
U1  - 005 1 FIT 
PY  - 2009///
CY  - Cambridge 
PB  -  Cambridge University Press
KW  - SOFTWARE ENGINEERING
ER  -