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By: Stronach, NType: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 110Series:Issue:Date: 1990Page Range: 32--34Publication Info: London, British Ornithologists' Club, 1893-Subjects:
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By: Stronach, NType: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 110Series:Issue:Date: 1990Page Range: 198--202Publication Info: London, British Ornithologists' Club, 1893-Subjects:
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By: Stronach, NType: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 109Series:Issue:Date: 1989Page Range: 115--117Publication Info: London, British Ornithologists' Club, 1893-Subjects:
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By: Stronach, NType: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 110Series:Issue:Date: 1990Page Range: 181--184Publication Info: London, British Ornithologists' Club, 1893-Subjects: