TY  - BOOK
AU  - Fitzgerald,John
AU  - Larsen,P.G.
TI  - Modelling systems: practical tools and techniques in software development 
SN  - 9780521899116
PY  - 2009///
CY  - New York
PB  - Cambridge University Press
KW  - Computer software
KW  - Development
N1  - Includes bibliographical references and indexes
ER  -