| http://www.w3.org/ns/prov#value | - For biologists interested in hybridization, for conservationists interested in particular species, for ornithologists interested in specific relationships, and for birdwatchers intent on evaluating plumages, this book is a goldmine.--Integrative and Comparative BiologyExtremely useful reference ... essential reading for biologists interested in the evolution of birds.--Ibis"Fine piece of work.
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