TY  - BOOK
AU  - Gottesoiener, Ellen
TI  - Requirements by Collaboration / 
SN  - 0-201-78606-0
U1  - 1.6425 
PY  - 2002///
CY  - New Delhi : 
PB  - Addison wesley
KW  - Cost benefit
N1  - Include Bibliography and Index
ER  -