TY  - BOOK
AU  - Kotonya,Gerald
AU  - Sommerville,Ian
TI  - Requirements engineering: : processes and techniques 
T2  - Worldwide series in computer science
SN  - 0471972088
U1  - 005.1 
PY  - 1998///
CY  - Chichester
PB  - John Wiley & Sons
KW  - INGENIERIA DE SOFTWARE
ER  -