TY  - BOOK
AU  - Ward,Frank A.
AU  - Beal,Diana
TI  - Valuing nature with travel cost models: a manual 
T2  - New horizons in environmental economics
SN  - 1840640782
AV  - HC21 .W37 2000
U1  - 333.70723 
PY  - 2000///
CY  - Cheltenham
PB  - Edward Elgar
KW  - Natural resources
KW  - Management
KW  - Economic policy
ER  -