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Haile-Selassie, Yohannes; Melillo, Stephanie M. (2015). «Middle Pliocene hominin mandibular fourth premolars from Woranso-Mille (Central Afar, Ethiopia)». Journal of Human Evolution78: 44-59. ISSN0047-2484. doi:10.1016/j.jhevol.2014.08.005.