Aitchison, J. (1998) On discontinuing the continuity-discontinuity debate. In Hurford, J. R. and Studdert-Kennedy, M. and Knight C., editors, Approaches to the Evolution of Language: Social and Cognitive Bases . Cambridge: Cambridge University Press.

Aitchison, J. (1998) On discontinuing the continuity-discontinuity debate. In Hurford, J. R. and Studdert-Kennedy, M. and Knight C., editors, Approaches to the Evolution of Language: Social and Cognitive Bases. Cambridge: Cambridge University Press.

Christiansen,Dale,Ellefson,Conway, The role of sequential learning in language evolution: Computational and experimental studies, 2002	::	7
Jackendoff,Pinker, The nature of the language faculty and its implications for evolution of language (Reply to Fitch, Hauser, and Chomsky), 2005	::	5
Jackendoff, Possible stages in the evolution of the language capacity, 1999	::	26
Livingstone, Computer Models of the Evolution of Language and Languages, 2003	::	2