The world's protected areas : status, values and prospects in the 21st century /
Chape, Stuart.
Spalding, Mark.
Jenkins, Martin,1959-
Steiner, Achim.
Marton-Lefèvre, Julia.
UNEP World Conservation Monitoring Centre.
Berkeley, Calif. : University of California Press,
2008.
Includes bibliographical references (p. 320-338) and index.
Protected areas.