TY  - BOOK
AU  - Sommerville, Ian 
TI  - Software engineering
SN  - 0-13-705346-9
AV  - QA76.6.S65 2011 
PY  - 2011///
CY  - Boston
PB  -  : Pearson
KW  - Software Engineering
N1  - Includes bibliographical references and index
ER  -