Guidelines for assigning species rank von Helbig, Andreas J., Knox, Alan G., Parkin, David T., Sangster, George, Collinson, Martin

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Taxonomic recommendations for British birds: seventh report von SANGSTER, GEORGE, COLLINSON, J. MARTIN, CROCHET, PIERRE-ANDRÉ, KNOX, ALAN G., PARKIN, DAVID T., SVENSSON, LARS, VOTIER, STEPHEN C.

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Taxonomic recommendations for British birds: Fourth report von SANGSTER, GEORGE, COLLINSON, J. MARTIN, KNOX, ALAN G., PARKIN, DAVID T., SVENSSON, LARS

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Taxonomic recommendations for British birds: third report von SANGSTER, GEORGE, COLLINSON, J. MARTIN, HELBIG, ANDREAS J., KNOX, ALAN G., PARKIN, DAVID T.

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Taxonomic recommendations for British birds: eighth report von Sangster, George, Collinson, J. Martin, Crochet, Pierre-André, Knox, Alan G., Parkin, David T., Votier, Stephen C.

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Taxonomic recommendations for Western Palearctic birds: 11th report von Sangster, George, Collinson, J. Martin, Crochet, Pierre-André, Kirwan, Guy M., Knox, Alan G., Parkin, David T., Votier, Stephen C.

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Taxonomic recommendations for Western Palaearctic birds: 10th report von Sangster, George, Collinson, J. Martin, Crochet, Pierre-André, Kirwan, Guy M., Knox, Alan G., Parkin, David T., Votier, Stephen C.

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Taxonomic recommendations for British birds: second report von Sangster, George, Collinson, J. Martin, Helbig, Andreas J., Knox, Alan G., Parkin, David T.

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Taxonomic recommendations for Western Palearctic birds: ninth report von Sangster, George, Collinson, J. Martin, Crochet, Pierre-André, Knox, Alan G., Parkin, David T., Votier, Stephen C.

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The first foreign recovery of a British-ringed bird and the first single-species ringing projects von Knox, Alan G.

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Taxonomic recommendations for British birds: Sixth report von SANGSTER, GEORGE, COLLINSON, J. MARTIN, KNOX, ALAN G, PARKIN, DAVID T, SVENSSON, LARS

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Taxonomic recommendations for British birds: Fifth report von KNOX, ALAN G, COLLINSON, J. MARTIN, PARKIN, DAVID T, SANGSTER, GEORGE, SVENSSON, LARS

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Taxonomic recommendations for European birds von Sangster, George, Knox, Alan G., Helbig, Andreas J., Parkin, David T.

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Species limits within the genus Melanitta , the scoters von Collinson, Martin, Parkin, David T., Knox, Alan G, Sangster, George, Helbig, Andreas J.

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Taxonomic recommendations for British birds von Knox, Alan G., Collinson, Martin, Helbig, Andreas J., Parkin, David T., Sangster, George

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Species limits in Acrocephalus and Hippolais warblers from the Western Palearctic von Parkin, David T, Collinson, J Martin, Helbig, Andreas J, Knox, Alan G, Sangster, George, Svensson, Lars

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Species limits in the Red-breasted Flycatcher von Svensson, Lars, Collinson, J Martin, Knox, Alan G, Parkin, David T, Sangster, George

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Taxonomic recommendations for Western Palearcticbirds: ninth report von Sangster, George, Collinson, J. Martin, Crochet, Pierre-Andre, Knox, Alan G., Parkin, David T., Votier, Stephen C.

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Species and pseudospecies: the structure of crossbill populations von KNOX, ALAN G

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The development of guidelines to assist in defining species limits von Parkin, David T., Collinson, Martin, Helbig, Andreas J., Knox, Alan G., Sangster, George

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