TY - BOOK AU - Bateman. Ian J. AU - Willis, Kenneth G. TI - Valuing environmental preferences: theory & practice of the contingent valuation method in the US, EU and developing countries SN - 9780198288534 U1 - 333.7 PY - 1999/// CY - Oxford PB - Oxford University Press KW - Environmental economics KW - Contingent valuation KW - Public goods ER -