TY  - BOOK
AU  - Londero Elio H
AU  -  Cervini Hector
TI  - Shadow prices for project appraisal: Theory and p   
SN  - 1843763575
U1  - X65291: 76, P3 
PY  - 2003///
CY  - London
PB  - Edward Elgar         
KW  - Cost Benefit Analysis
N1  - Bibliography P 256-265; Appendix P 242-255
ER  -