TY  - BOOK
AU  - Sassone Peter G
AU  -  Schaffer William A
TI  - Cost benefit analysis :  A handbook
T2  - Operation research and industrial engineering edited by J William Schmidt
U1  - X:8Kg, L8 
PY  - 1978///
CY  - New York
PB  - Academic Press     
KW  - ECONOMICS
ER  -