TY  - BOOK
AU  - Sommerville, Ian.
TI  - Software engineering
T2  - International computer science series
SN  - 0201175681
PY  - 1989///
CY  - Workingham, England
PB  - Addison- Wesley Publishing
KW  - Software engineering
KW  - Sears list of Subject Headings
N1  - Includes bibliography and index
ER  -