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By: Marler, ChristopherType: ArticleIn: The Avicultural magazineVolume: 117Series:Issue: 1Date: 2011Page Range: 11--14Publication Info: Ascot, Berkshire, etc Avicultural Society, etcSubjects:
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By: Marler, ChristopherType: ArticleIn: The Avicultural magazineVolume: 110Series:Issue: 2Date: 2004Page Range: 49--58Publication Info: Ascot, Berkshire, etc Avicultural Society, etcSubjects: