Batali J (1998) Computational simulations of the emergence of grammar. In: Hurford J, Studdert-Kennedy NI, Knight C. (eds) Approaches to the evolution of language: Social and cognitive bases Cambridge University Press, Cambridge UK pp 405-426

Elman JL (199!) Finding structure in time. Cognitive Science, 14: 179-211

Hazlehurst B, Hutchins E (1998) The emergence of propositions from the co-ordination of talk and action in a shared world. Language and Cognitive Processes, 13(2/3): 373-424.

Hurford J (1999) Expression/Induction models of language evolution: Dimensions and issues. In: Briscoe EJ (ed) Linguistic evolution through language acquisition. Cambridge University Press, Cambridge UK

Hutchins E, Hazlehurst B (1991) Learning in the cultural process. In: Langton C, Taylor C, Farmer U, Rasmussen S (eds) Artificial Life (Vol. IT Santa Fe Institute Studies in the Sciences of Complexity, Proc. Vol. X). Addison-Wesley, Redwood City CA, pp 689-706

Hutchins E, Hazlehurst B (1995) How to invent a lexicon: The development of shared symbols in interaction. In: Gilbert N, Conte R (eds) Arttificial societies: the computer simulation of social life. UCL Press, London, pp 157-189

F. Kaplan, A New Approach to Class Formation in Multi-Agent Simulations of Language Evolution, Proceedings of the 3rd International Conference on Multi Agent Systems, p.158, July 03-07, 1998

Simon Kirby, Syntax out of Learning: The Cultural Evolution of Structured Communication in a Population of Induction Algorithms, Proceedings of the 5th European Conference on Advances in Artificial Life, p.694-703, September 13-17, 1999

Newell A, Simon H (1990) Computer science as empirical enquiry: Symbols and search. In: Garfield IL (ed) Foundations of cognitive science: The essential readings. Paragon House

Allen Newell , Paul S. Rosenbloom , John E. Laird, Symbolic architectures for cognition, Foundations of cognitive science, MIT Press, Cambridge, MA, 1989

Oliphant M (1997) Formal approaches to innate and learned communication: Laying the foundation of language. Unpublished doctoral dissertation, University of California, San Diego

Steels L (1996) Self-organizing vocabularies. In Langton C, Shimohara K (eds) Proceedings ofAlfe V. MIT Press, Cambridge MA, pp 177-184

Luc Steels , Fréric Kaplan, Collective Learning and Semiotic Dynamics, Proceedings of the 5th European Conference on Advances in Artificial Life, p.679-688, September 13-17, 1999

Tomasello M (1996) Do apes ape? In: Heyes C, Galef B (eds) Social learning in animals: The roots of culture. Academic Press, San Diego, pp 319-436

Turner JS (2000) The extended organism: The physiology of animal-built structures. Harvard University Press

Vygotsky LS (1978) Mind in society: The development of higher psychological processes. Harvard University Press

Wertsch J (1985) Vygotsky and the socialformation of mind. Harvard University Press