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Contingent valuation: Environmental polling or preference engine?
MacMillan, Douglas, (2006)
VALUING BIODIVERSITY LOSSES DUE TO ACID DEPOSITION: A CONTINGENT VALUATION STUDY OF UNCERTAIN ENVIRONMENTAL GAINS
MacMillan, Douglas, (1995)
A Contingent Valuation Study of Uncertain Environmental Gains.
Macmillan, Douglas, (1996)