Angluin, D. 1987 Learning regular sets from queries and counter examples. Information and Computation 75, 87-106.

Briscoe, E. J. 2000 Grammatical acquisition: inductive bias and coevolution of language and the language acquisition device. Language 76, 245-296.

Cangelosi, A. & Parisi, D. (eds) 2001 Simulating the evolution of language. New York: Springer.

Chomsky, N. 1988 Language and problems of knowledge. Cambridge, MA: MIT Press.

Crowley, T. 1998 An introduction to historical linguistics, 3rd edn. Oxford University Press.

Gold, E. M. 1967 Language identification in the limit. Information and Control 10, 447-474.

Guckenheimer, J. & Holmes, P. 1990 Nonlinear oscillations, dynamical systems, and bifurcations of vector fields. New York: Springer.

Hauser, M. D. 1996 The evolution of communication. Cambridge, MA: Harvard University Press.

Hofbauer, J. & Sigmund, K. 1998 Evolutionary games and population dynamics. Cambridge University Press.

Hurford, J. R., Studdert-Kennedy, M. & Knight, C. (eds) 1998 Approaches to the evolution of language. Cambridge University Press.

Jackendoff, R. 2002 Foundations of language. Oxford University Press.

Kirby, S. 2001 Spontaneous evolution of linguistic structure: an iterated learning model of the emergence of regularity and irregularity. IEEE Trans. Evol. Computation 5, 102- 110.

Lai, C. S. L., Fisher, S. E., Hurst, J. A., Vargha-Khadem, F. & Monaco, A. P. 2001 A forkhead-domain gene is mutated in a severe speech and language disorder. Nature 413, 519- 523.

Lightfoot, D. 1991 How to set parameters: arguments from language change. Cambridge, MA: MIT Press.

Lightfoot, D. 1999 The development of language: acquisition, changes and evolution. Malden, MA: Blackwell.

Mitchener, W. G. 2003 Bifurcation analysis of the fully symmetric language dynamical equation. J. Math. Biol. 46, 265-285.

Mitchener, W. G. & Nowak, M. A. 2003 Competitive exclusion and coexistence of universal grammars. Bull. Math. Biol. 65, 67-93.

Niyogi, P. & Berwick, R. C. 1996 A language learning model for finite parameter spaces. Cognition 61, 161-193.

Nowak, M. & Sigmund, K. 1993 Chaos and the evolution of cooperation. Proc. Natl Acad. Sci. USA 90, 5091-5094.

Nowak, M. A., Komarova, N. L. & Niyogi, P. 2001 Evolution of universal grammar. Science 291, 114-118.

Nowak, M. A., Komarova, N. L. & Niyogi, P. 2002 Computational and evolutionary aspects of language. Nature 417, 611-617.

Osherson, D., Stob, M. & Weinstein, S. 1986 Systems that learn. Cambridge, MA: MIT Press.

Page, K. M. & Nowak, M. A. 2002 Unifying evolutionary dynamics. J. Theor. Biol. 219, 93-98.

Pinker, S. 1990 The language instinct. New York: W. Morrow and Company.

Price, G. R. 1972 Extension of covariance mathematics. Ann. Hum. Genet. 35, 485-490.

Stadler, P. F. & Schuster, P. 1992 Mutation in autocatalytic reaction networks. J. Math. Biol. 30, 597-632.

Steels, L. 1997 Self-organizing vocabularies. In V: proc. fifth int. workshop on the synthesis and simulation of living systems (ed. C. G. Langton & K. Shimohara), pp. 179-184. Cambridge, MA: MIT Press.

Trask, R. L. 1996 Historical linguistics. London: Arnold.

Valiant, L. G. 1984 A theory of the learnable. Commun. Assoc. Computing Machinery 27, 436-445.

Vapnik, V. 1995 The nature of statistical learning theory. New York: Springer.