Cropper Maureen Valuing environmental benefits Selected essays - Cheltenham Edward Elgar 1999 - xxiii, 399p. cm. - New Horizons in Environmental Economics . ISBN: 5833.28 Source: 7729/ �75.00, 06/09/2000, SBD General Book Subjects--Topical Terms: Environmental Economics Dewey Class. No.: X:(G:55), N9