Maynard Smith, J. and Szathmary, E. (1999) The origins of life: From the Birth of Life to the Origin of Language. Oxford University Press.

Maynard Smith, J. and Szathmary, E. (1999) The origins of life: From the Birth of Life to the Origin of Language. Oxford University Press.

2006	-	Language and Morality: Evolution, Altruism and Linguistic Moral Mechanisms - Poulshock	::
		Maynard-Smith, J., & Szathmary, E. (1999). The origins of life. London: Oxford University Press.
2005	-	Language as an evolutionary system - Brighton,Smith,Kirby	::	2
		[64] Maynard Smith J, Szathmáry E. The origins of life: From the birth of life to the origins of language. Oxford: Oxford Univ. Press; 1999.