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By: Rahbek, Carsten - Bloch, Hanne - Poulsen, Michael Koie - Rasmussen, Jan FischerType: ArticleIn: Bulletin of the British Ornithologists' ClubVolume: 113Series:Issue:Date: 1993Page Range: 103--108Publication Info: London, British Ornithologists' Club, 1893-Subjects:
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By: Reeve, Andrew Hart - Haryoko, Tri - Poulsen, Michael Koie - Fabre, Pierre-Henri, - Jønsson, Knud AType: ArticleIn: ForktailVolume: 30Series:Issue:Date: 2014Page Range: 10--22Publication Info: Oxford,Subjects: