The Cambridge World Prehistory
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Johanson, D. C.,White,T.D. &Coppens, Y.1978. ANew Species ofthe Genus
Australopithecus (Primates, Hominidae) from thePliocene of Eastern Africa.
Cleveland Museum ofNatural History: Cleveland. Kappelman, J., Swisher, C. C.,
Fleagle, ...