Sacramento : Published for IUCN - the World Conservation Union by the International Center for the Environment and Public Policy, California Institute of Public Affairs, c1995.

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[Banff, Alta.] : Banff Centre, [2004]

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Tokyo ; New York : United Nations University Press, c1996.

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Ottawa, Ont. : Wildlife Habitat Canada ; Hull, Québec : North American Waterfowl Management Plan, 1994.

Internet Archive >> None