TY  - BOOK
AU  - Bateman,Ian
AU  - Willis,K.G (Kenneth George)
TI  - Valuing environmental preferences: theory and practice of the contingent, valuation method in the US., EU., and developing countries 
SN  - 0-19-828853-07
U1  - POS 
PY  - 1999///
CY  - Oxford, England ; New York, N.Y.
PB  - Oxford University
KW  - Bienes públicos
KW  - Economía ambiental
KW  - Evaluación de contingencias
ER  -