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Arbogast, B.; Drovetski, S.; Curry, R.; Boag, P.; Seutin, G.; Grant, P.; Grant, B. & Anderson, D. (2006). «The Origin and Diversification of Galapagos Mockingbirds». Evolution60 (2): 370–82. PMID16610327. doi:10.1554/03-749.1.
