Kevin P. Johnson, Selvino de Kort, Karen Dinwoodey, A. C. Mateman, Carel ten Cate, C. M. Lessells & Dale H. Clayton: A molecular phylogeny of the dove genera Streptopelia and Columba. Auk, 118, 4 S. 874–887, 2001 doi:10.1642/0004-8038(2001)118[0874:AMPOTD]2.0.CO;2PDF
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Kevin P. Johnson, Selvino de Kort, Karen Dinwoodey, A. C. Mateman, Carel ten Cate, C. M. Lessells & Dale H. Clayton: A molecular phylogeny of the dove genera Streptopelia and Columba. Auk, 118, 4 S. 874–887, 2001 doi:10.1642/0004-8038(2001)118[0874:AMPOTD]2.0.CO;2PDF