Proceedings.

Morges, Switzerland, International Union for Conservation of Nature and Natural Resources, 1968 , At head of title: The Commission on Ecology of the International Union for Conservation of Nature and Natural Resources. International Council for Bird Preservation (ICBP). International Wildfowl Research Bureau (IWRB).

Place Hold on Proceedings.

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Flamingos /

Berkhamsted [Eng.] : T. & A. D. Poyser, 1975 , Conference held at the Wildfowl Trust, Slimbridge, July 10-12, 1973 ; sponsored by the International Council for Bird Preservation [et al.] | Includes index.

Place Hold on Flamingos /

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