Lightfoot, D. (2000) The spandrels of the linguistic genotype. In Chris Knight and James R. Hurford and Michael Studdert-Kennedy, editors, The Evolutionary Emergence of Language: Social Function and the Origins of Linguistic Form . Cambridge: Cambridge University Press.

Lightfoot, D. (2000) The spandrels of the linguistic genotype. In Chris Knight and James R. Hurford and Michael Studdert-Kennedy, editors, The Evolutionary Emergence of Language: Social Function and the Origins of Linguistic Form. Cambridge: Cambridge University Press.

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2004	-	Self-organization and Language Evolution: System, Population and Individual - Ke	::