Directory of wetlands of international importance : sites designated under the Convention on Wetlands of International Importance especially as Waterfowl Habitat / prepared by the IUCN Conservation Monitoring Centre
Published
Gland, Switzerland : International Union for Conservation of Nature and Natural Resources, 1987
Prepared for the Third Conference of Contracting Parties to the Convention on Wetlands of International Importance especially as Waterfowl Habitat, Regina, Canada, May-June 1987