TY  - BOOK
AU  - Kotonya,Gerald
AU  - Sommerville,Ian
TI  - Requirements engineering: processes and techniques 
SN  - 0471972088
AV  - QA76.758  .K69 1998
PY  - 1998///
CY  - Chichester
PB  - John Wiley
KW  - Software engineering
ER  -