RidleyM. Evolution.3rd ed.Malden, MA: Blackwell; 2004. p. 284.
2.
MladinaRSkitarelićNVukovicK. Why do humans have such a prominent nose? The final result of phylogenesis: a significant reduction of the splanchnocranium on account of the neurocranium. Med Hypotheses2009;73:280–3.
3.
JohansonDEdgarB. From Lucy to Language. New York: Simon and Schuster; 2004. p. 88.