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By: Vliet, Roland E. van der - Jansen, Justin J F JType: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 135Series:Issue: 2Date: 2015Page Range: 121--130Publication Info: London, British Ornithologists' Club, 1893-Subjects:
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By: Jansen, Justin J F J - Vliet, Roland E. van derType: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 135Series:Issue: 2Date: 2015Page Range: 108--120Publication Info: London, British Ornithologists' Club, 1893-Subjects:
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By: Jansen, Justin J F J - Roe, Richard SType: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 136Series:Issue: 1Date: 2016Page Range: 28--38Publication Info: London, British Ornithologists' Club, 1893-Subjects:
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By: LeCroy, Mary - Jansen, Justin J F JType: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 131Series:Issue: 3Date: 2011Page Range: 171--188Publication Info: London, British Ornithologists' Club, 1893-Subjects:
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By: Jansen, Justin J F JType: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 132Series:Issue: 3Date: 2012Page Range: 212--214Publication Info: London, British Ornithologists' Club, 1893-Subjects:
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By: Black, Andrew B. - Jansen, Justin J F J - Mije, Steven van der - Fisher, Clemency T.Type: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 134Series:Issue: 1Date: 2014Page Range: 52--61Publication Info: London, British Ornithologists' Club, 1893-Subjects:
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By: Jansen, Justin J F J - Roe, Richard SType: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 133Series:Issue: 1Date: 2013Page Range: 59--67Publication Info: London, British Ornithologists' Club, 1893-Subjects: