[Cho80] N. Chomsky. Rules and representations. The Behavioral and Brain Sciences, 3:1--15, 1980. ``Mental Organ'' metaphor.

[dJ98] E. de Jong. The development of a lexicon based on behavior, 1998. In proceedings of the Tenth Netherlands/Belgium Conference on Artificial Intelligence NAIC'98 (La Poutr, H. and Van den Herik, J., editors), pp. 27--36. Amsterdam: CWI.

[dJ00a] E. de Jong. Attractors in the development of communication. In D. Floreano, H. Roitblat, J.-A. Meyer, A. Berthoz and S. Wilson, editors, SAB00, Honolulu, Hawaii, 2000. MIT Press.

[dJ00b] E. de Jong. Autonomous Formation of Concepts and Communication. PhD thesis, Vrije Universiteit Brussel, 2000.

[Dun96] R. Dunbar. Grooming, Gossip and the Evolution of Language. Boston: Faber and Faber, 1996:65.

[Hur02] J. Hurford. Expression/induction models of language evolution: dimensions and issues, chapter 10. Cambridge University Press, March 2002.

[Kir98] S. Kirby. Language evolution without natural selection: From vocabulary to syntax in a population of learners. Technical report, Language Evolution and Computation Research Unit, University of Edinburgh, 1998.

[Kir02a] S. Kirby. Learning, Bottlenecks and the Evolution of Recursive Syntax, chapter 6. Cambridge University Press, 2002.

[Kir02b] S. Kirby. Natural language from artificial life. Artificial Life, 8(2):185--215, 2002.

[Now01] M. A. Nowak, N. L. Komarova, and P. Niyogi. Evolution of universal grammar. Science, 291:114--118, 2001.

[Smi01] A. D. M. Smith. Establishing communication systems without explicit meaning transmission. In J. Kelemen and P. Sosík, editors, ECAL01, Lectures Notes in Computer Science, pages 381-390, Prague, September 10-14 2001. Springer.

[Smi02] K. Smith, H. Brighton, and S. Kirby. Language evolution in a multi-agent model: the cultural emergence of compositional structure. 2002.

[Ste97a] L. Steels. Constructing and sharing perceptual distinctions. In M. van Someren and G. Widmer, editors, Proceedings of the European Conference on Machine Learning, Berlin, 1997. SpringerVerlag.

[Ste97b] L. Steels. The synthetic modeling of language origins. In Evolution of Communication, 1(1):1--34, 1997.

[Ste98a] L. Steels and F. Kaplan. Stochasticity as a source of innovation in language games. In C. Adami, R. Belew, H. Kitano, and C. Taylor, editors, Artificial Life VI, Los Angeles, 1998. MIT Press.

[Ste98b] L. Steels and F. Kaplan. Spontaneous lexicon change. In COLING-ACL98, pages 1243--1249, Montreal, 1998. ACL.

[Ste99a] L. Steels and F. Kaplan. Situated grounded word semantics. In T. Dean, editor, IJCAI99. Morgan Kaufmann Publishers, 1999.

[Ste99b] L. Steels and A. McIntyre. Spatially distributed naming games. Advances in Complex Systems, 1(4):301--323, January 1999.

[Ste02] L. Steels, F. Kaplan, A. McIntyre, and J. Van Looveren. Crucial factors in the origins of word-meaning. In Alison Wray, editor, The Transition to Language, chapter 12. Oxford University Press, Oxford, 2002.

[Wil99] R. A. Wilson and F. C. Keil. The MIT Encyclopedia of the Cognitive Sciences (MITECS). MIT Press, August 1999.

[Zui01] W. H. Zuidema. Emergent syntax: The unremitting value of computational modeling for understanding the origins of complex language. Lecture Notes in Computer Science, 2159:641+, 2001.