TY  - BOOK
AU  - Sage,Andrew P.
AU  - Palmer,James D.
TI  - Software systems engineering
SN  - 047161758X
U1  - QA/76.758 
PY  - 1990///
CY  - New York
PB  - John Wiley & Sons
KW  - Software engineering.
KW  - Systems engineering.
ER  -