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By: Simmons, K E LType: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 82Series:Issue:Date: 1962Page Range: 92--94Publication Info: London, British Ornithologists' Club, 1893-Subjects:
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By: Simmons, K E LType: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 88Series:Issue:Date: 1968Page Range: 15--20Publication Info: London, British Ornithologists' Club, 1893-Subjects:
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By: Simmons, K E LType: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 82Series:Issue:Date: 1962Page Range: 109--116Publication Info: London, British Ornithologists' Club, 1893-Subjects:
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By: Simmons, K E LType: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 110Series:Issue:Date: 1990Page Range: 213--222Publication Info: London, British Ornithologists' Club, 1893-Subjects: