1 Subjects: “...contingent valuation method...”

2 Subjects: “...contingent valuation method...”

3 Subjects: “...citizen science;contestation;contingency;environmentalism;evidence;evidence criticism;Karin...”

4 Subjects: “...contingent valuation method...”

5 Subjects: “...contingency planning...”

6 Subjects: “...contingent valuation method...”

7 Subjects: “...contingent valuation...”

8 Subjects: “...contingent valuation...”

9 Subjects: “...contingency theory...”

10 Subjects: “...contingent value method...”

11 Subjects: “...contingency planning...”

12 Subjects: “...contingency planning...”