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By: Lindholm, Josef H.,Type: ArticleIn: The Avicultural magazineVolume: 105Series:Issue: 4Date: 1999Page Range: 145--148Publication Info: Ascot, Berkshire, etc Avicultural Society, etcSubjects:
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By: Lindholm, Josef H.,Type: ArticleIn: The Avicultural magazineVolume: 114Series:Issue: 2Date: 2008Page Range: 49--63Publication Info: Ascot, Berkshire, etc Avicultural Society, etcSubjects: