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Mitchell, K. J.; Llamas, B.; Soubrier, J.; Rawlence, N. J.; Worthy, T. H.; Wood, J.; Lee, M. S. Y.; Cooper, A. (2014-05-23). “Ancient DNA reveals elephant birds and kiwi are sister taxa and clarifies ratite bird evolution”. Science344 (6186): 898–900. doi:10.1126/science.1251981. hdl:2328/35953. PMID24855267.
Mitchell, K. J.; Llamas, B.; Soubrier, J.; Rawlence, N. J.; Worthy, T. H.; Wood, J.; Lee, M. S. Y.; Cooper, A. (2014-05-23). “Ancient DNA reveals elephant birds and kiwi are sister taxa and clarifies ratite bird evolution”. Science344 (6186): 898–900. doi:10.1126/science.1251981. hdl:2328/35953. PMID24855267.