Lieberman, P. (2003) Motor control, speech, and the evolution of human language. In M.H. Christiansen and S. Kirby, editors, Language Evolution: The States of the Art . Oxford University Press.

Lieberman, P. (2003) Motor control, speech, and the evolution of human language. In M.H. Christiansen and S. Kirby, editors, Language Evolution: The States of the Art. Oxford University Press.

2007	-	Language as Shaped by the Brain - Christiansen,Chater	::
		Lieberman, P. (2003). Motor control, speech, and the evolution of human language. In M.H. Christiansen & S. Kirby (Eds.), Language evolution (pp. 255-271). New York: Oxford University Press.
2005	-	The Major Transitions in the Evolution of Language - Zuidema	::	1
		LIEBERMAN, P. (2003). Motor control, speech and the evolution of human language. In: Christiansen & Kirby (2003a), pp. 255--271.
2003	-	Language Evolution: Consensus and Controversies - Christiansen,Kirby	::	8
		46 Lieberman, P. (2003) Motor control, speech, and the evolution of human language. In Language Evolution (Christiansen, M.H. and Kirby, S., eds) Oxford University Press