TY  - BOOK
AU  - Willis Kenneth G Ed.
TI  - Environmental valuation. 2 V
T2  - Environmental Analysis and Economic Policy; 3
U1  - X:(G:55), N9.1-N9.2/TD1 
PY  - 1999///
CY  - Cheltenham
PB  - Edward Elgar         
KW  - Economics irt Environment
ER  -