TY  - BOOK
AU  - Sommerville,Ian
TI  - Software engineering
T2  - International computer science series
SN  - 0201175681
AV  - QA76.758 S65 1989
PY  - 1989///
CY  - Wokingham, england
PB  - Addison-wesley
KW  - Ingeniería de software
ER  -