Willis Kenneth G Ed. Environmental valuation. 2 V Willis Kenneth G Ed. - Cheltenham Edward Elgar 1999 - 425p cm. - Environmental Analysis and Economic Policy; 3 V 1: Methods and anomalies (425p) . Source: General Book Subjects--Topical Terms: Economics irt Environment Dewey Class. No.: X:(G:55), N9.1-N9.2/TD1