TY - BOOK AU - Bjornstad, David J, ed AU - Kahn, James R, ed AU - Oates, Wallace E, ed TI - Contingent valuation of environmental resources SN - 1858983215 CY - Cheltanham KW - Conservation of natural resources - research KW - Contingent valuation KW - Contingent valuation surveys KW - Economic theory KW - Environmental policy ER -