Economic valuation of wetlands: A guide for policy makers and planners Author Barbier E., Acreman M., Knowler D. Date 1997 Source IUCN (ID: MON-073080) Publisher | Place of publication Ramsar Convention Bureau | Gland, Switzerland ISBN 2-940073-21-X Pages 127 p. Document type Document of international organization Language English Field of application International Country/Territory United States of America, Nigeria, United Kingdom, Sweden, Indonesia Subject Water Keyword Resource accounting Wetlands Geographical area North America