Turner, R. Kerry Valuing ecosystem services : the case of multi-functional wetlands / R. Kerry Turner, Stavros Georgiou, Brendan Fisher - London, England : Earthscan, c2008 - vi, 229 p. : ill., map ; 24 cm. Includes bibliographical references and index ISBN: 9781849713542 Subjects--Topical Terms: Wetland management--Economic aspectsEcosystem management--Economic aspects