TY  - BOOK
AU  - Willis Kenneth G Ed.
TI  - Environmental valuation
T2  - Environmental analysis and economic policy
SN  - 1858987237
U1  - G:550bX, N9.1-.2 
PY  - 1999///
CY  - UK
PB  - Edward Elgar publication      
KW  - BIOLOGY
ER  -