TY  - BOOK
AU  - Knopfel,  Andreas 
AU  -  Grone, Bernhard
AU  - Tabeling, peter 
TI  - fundamental modeling concepts: effective communication of IT systems 
SN  - 047002710x
U1  - 658.408011 
PY  - 2005///
CY  - Sussex
PB  - John Wiley and sons
ER  -