TY  - BOOK
AU  - "Brain Berenbach, Daniel J. Paulish, Juergen Kazmeier, Arnold Rudorfer"
TI  - "Software & Systems Requirements Engineering :  In Practice"
SN  - 9780071605472
U1  - 005.1 
PY  - 2009///
CY  - Chicago
PB  - Mc Graw Hill
ER  -