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By: Rinke, Dieter - Marcordes, BerndType: ArticleIn: The Avicultural magazineVolume: 108Series:Issue: 3Date: 2002Page Range: 113--117Publication Info: Ascot, Berkshire, etc Avicultural Society, etcSubjects:
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By: Rinke, DieterType: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 109Series:Issue:Date: 1989Page Range: 185--195Publication Info: London, British Ornithologists' Club, 1893-Subjects: