TY  - GEN
AU  - Alexander, Ian
AU  - Beus-Dukic, Ljerka
TI  - Discovering requirements : how to specify products and services
AV  - TA180 Ale
PY  - 2009///
PB  - J. Wiley
KW  - Requirements engineering
KW  - Specification writing
N1  - 19795
ER  -