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By: Wilkinson, Roger - Mcleod, Wayne - Langford, Darren - Merry, RogerType: ArticleIn: The Avicultural magazineVolume: 102Series:Issue: 1Date: 1996Page Range: 8--10Publication Info: Ascot, Berkshire, etc Avicultural Society, etcSubjects:
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By: Wilkinson, Roger - Mcleod, Wayne - Langford, Darren - Morris, PaulType: ArticleIn: The Avicultural magazineVolume: 110Series:Issue: 1Date: 2004Page Range: 20--28Publication Info: Ascot, Berkshire, etc Avicultural Society, etcSubjects: