TY  - BOOK
AU  - Sommerville, Ian,
TI  - Software engineering
SN  - 0201175681 :
U1  - 005.1 19
PY  - 1989///, c1989
CY  - Wokingham, England, Reading, Mass.
PB  - Addison-Wesley
KW  - Software engineering
N1  - Includes index; Bibliography: p. 633-644
ER  -