TY  - BOOK
AU  - WARD F.A.
TI  - Valuing nature with travel cost models:  A manual   
T2  - New Horizons in Environmental Economics
U1  - X : 271--8, P0 
PY  - 2000///
CY  - Cheltenham
PB  - Edward Elgar         
KW  - Natural Resouces
N1  - Bibliography chapterwise & P 223--50
ER  -