Directory of wetlands of international importance : sites designated under the Convention on Wetlands of International Importance especially as Waterfowl Habitat /
IUCN Conservation Monitoring Centre.
Conference of Contracting Parties to the Convention on Wetlands of International Importance especially as Waterfowl Habitat(3rd :1987 :Regina, Canada)
Gland ; Cambridge : International Union for Conservation of Nature and Natural Resources,
1987.
Includes index.
Wetlands