TY  - BOOK
AU  - Kotonya,Gerald
AU  - Sommerville,Ian
TI  - Requirements engineering: processes and techniques 
SN  - 0471972088
U1  - 005.1 KOT 1998 
PY  - 1998///
CY  - New York
PB  - John Wiley
KW  - Software engineering
KW  - Systems engineering
N1  - Includes bibliographical references and index
ER  -