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Wood, B.; Wood, C.; Konigsberg, L. (1994). "Paranthropus boisei: an example of evolutionary stasis?". American Journal of Physical Anthropology. 95 (2): 132–134. doi:10.1002/ajpa.1330950202. PMID7802091.
Bobe, R.; Leakey, M. (2009). "Ecology of Plio-Pleistocene Mammals in the Omo–Turkana Basin and the Emergence of Homo". The First Humans - Origin and Early Evolution of the Genus Homo. Springer Science+Business Media. pp. 181–182. doi:10.1007/978-1-4020-9980-9. ISBN978-1-4020-9980-9.
Wood, B.; Wood, C.; Konigsberg, L. (1994). "Paranthropus boisei: an example of evolutionary stasis?". American Journal of Physical Anthropology. 95 (2): 132–134. doi:10.1002/ajpa.1330950202. PMID7802091.
Ferguson, W. W. (1989). "A New Species of the Genus Australopithecus (Primates: Hominidae) from Plio/Pleistocene Deposits West of Lake Turkana in Kenya". Primates. 30 (2): 223–232. doi:10.1007/BF02381307. S2CID28642451.