1. Billard, A. and K. Dautenhahn (2000) Experiments in social robotics: grounding and use of communication in autonomous agents. Adaptive behaviour vol. 7:3/4.

2. Brighton, H. (2002). Compositional Syntax from Cultural Transmission. Artificial Life, 8(1)

3. Bowerman, M. and S. Levinson (2001) Language acquisition and conceptual development. Cambridge University Press, Cambridge.

4. Breazeal, C. (1998) A Motivational System for Regulating Human-Robot Interaction. Proceedings of AAAI98, Madison, WI.

5. Briscoe Edward J. (ed.) (2002) : Linguistic Evolution Through Language Acquisition: Formal and Computational Models, Cambridge, UK, Cambridge University Press.

6. Camazine, S. J.-L. Deneubourg, N. Franks, J. Sneyd, G. Theraulaz, and E. Bonabeau (2001) Self-Organization in Biological Systems. Princeton University Press, Princeton.

7. Cangelosi, A. and D. Parisi (eds.) (2001) Simulating the Evolution of Language. Springer-Verlag, Berlin.

8. Cohen, P., et al. (2001) Proceedings of the AAAI Spring Symposium on Grounding. AAAI Press, Anaheim, Ca.

9. De Boer, B. (1997) Self-Organisation in Vowel Systems through Imitation. In: P. Husbands and I. Harvey (eds.) Proceedings of the fourth European Conference on Artificial Life, Cambridge Ma. (1997)

10. Deneubourg, J-L., et al. (1993) Self-organisation and life: from simple rules to global complexity. Proceddings of the Second European Conference on Artificial Life, ULB. Brussels.

11. Harding, C. G. (1983) Setting the Stage for Language Acquisition: Communication Development in the First Year. In: Golifko#, R. (1983) (ed.) The Transition from Prelinguistic to Linguistic Communication. Lawrence Erlbaum Ass. Hilssdale NJ. p. 93--113.

12. Harnad, S. (1990) The Symbol Grounding Problem. Physica D 42: 335--346.

13. Hashimoto, T. and Ikegami, T., (1996), Emergence of net-grammar in communicating agents. BioSystems, 38, 1--14, 1996.

14. Hurford, J., C. Knight and M. Studdert-Kennedy (1998) Approaches to the Evolution of Language: Social and Cognitive bases. Cambridge University Press, Cambridge. pp 405--426.

15. Hurford, J. (2001) Expression / Induction Models of Language Evolution: Dimensions and Issues. In: Briscoe, T. (2001) Linguistic Evolution through Language Acquisition: Formal and Computational Models, Cambridge University Press.

16. Ikegami, T. and M Taiji (1999) Imitation and Cooperation in Coupled Dynamical Recognizers. In: Floreano, D. J. Nicoud and F. Mondada (eds.) Advances in Artificial Life (ECAL 99). Lecture Notes in Computer Science.

17. Kaneko, K. and J. Suzuki. (1994) Evolution to the edge of choas in imitation games. In: Artificial Life III, the MIT Press, Cambridge Ma. pp. 43--54.

18. Kirby, S. (1999) Function, Selection and Innateness: The Emergence of Language Universals. Oxford University Press, Oxford.

19. Kuroki, Y., T. Ishida, J. Yamaguchi, M. Fujita, T. Doi (2001) A Small Biped Entertainment Robot. In: Proceedings of the IEEE-RAS International Conference on Humanoid Robots. Waseda University, Tokyo. p. 181--186. The Evolution of Communication Systems by Adaptive Agents 139

20. Koza, J. (1992) Genetic Programming: on the programming of computers by means of natural selection. MIT Press, Cambridge Ma.

21. Labov, W. (1994) Principles of Linguistic Change. Volume 1: Internal Factors. Blackwell, Oxford.

22. Langton, C. (ed.) (1989) Artificial Life. Addison-Wesley, Reading Ma.

23. Lindblom, B, P. MacNeilage and M Studdert-Kennedy (1984) Self-organizing processes and the explanation of language universals. In: Butterworth, B, et.al. Explanations for language universals. Walter de Gruyter and Co, pp. 181--203.

24. Lindgren, K. and M. Nordahl (1994) Cooperation and Community Structure in Artificial Ecosystems. Artificial Life Journal 1(1).

25. Maynard Smith, J. (1982) Evolution and the theory of games. Cambridge University Press, Cambridge.

26. Maturana, H. and Varela, F. (1998) The Tree of Knowledge (revised edition). Shambhala Press, Boston.

27. Maynard Smith, J. and E. Szathm’ary (1995) The Major Transitions in Evolution. Oxford University Press, Oxford.

28. MacLennan, B. (1992) Synthetic Ethology: An Approach to the study of Communication. In: Langton, C., et.al. (1991) Artificial Life II. Addison-Wesley Pub. Cy, Redwood City Ca. pp. 603--631.

29. Nicolis, G. and I. Prigogine (1988) Exploring Complexity. Freeman and Co. New York.

30. Noble, J (1999). Cooperation, conflict and the evolution of communication. Adaptive behaviour, 7(3/4), 349--370.

31. Nowak, M., J. Plotkin and J. Vincent (2000) The evolution of syntactic communication. Nature, vol. 404 (30/03/2000), pp. 495--498.

32. Oliphant, M. (1997) Formal Approaches to Innate and Learned Communication: Laying the Foundation for Language, Ph.D. Thesis, University of California San Diego, Cognitive Science Department.

33. Oudeyer P-Y. (2001) Emotional Interactions with Humanoids Using Speech. In: Proceedings of the IEEE-RAS International Conference on Humanoid Robots. Waseda University, Tokyo. pp. 17--24.

34. Pfeifer, R. and R. Scheier (2000) Understanding Intelligence. The MIT Press, Cambridge Ma.

35. Pinker, S. (1994) The Language Instinct. The New Science of Language and Mind. Penguin, Harmondsworth.

36. Roy, D. (2001) Learning Visually Grounded Words and Syntax of Natural Spoken Language. Evolution of communication 4(1).

37. Scassellati, B. (1998) Eye Finding via Face Detection for a Foveated, Active Vision system. In Proceedings of AAAI-98. AAAI Press Books.

38. Scassellati, B. (2002) Foundations for a Theory of Mind for a Humanoid Robot. Ph.D. Thesis, MIT.

39. Sperber, D. and D. Wilson (1986), Relevance: Communication and Cognition. Harvard University Press, Cambridge Ma.

40. Steels, L. (1996) Self-Organising Vocabularies. In: Langton, C. Proceedings of Alife V. The MIT Press, Cambridge.

41. Steels, L. (1997a) Constructing and Sharing Perceptual Distinctions. In: van Someren, M. and G. Widmer (eds.) (1997) Proceedings of the European Conference on Machine Learning. Springer-Verlag, Berlin. Steels, L. (1998) The origins of syntax in visually grounded agents. Artificial Intelligence 103 (1998) 1--24.

140 L. Steels

42. Steels, L. (2001) Language Games for Autonomous Robots. IEEE Intelligent systems, September/October 2001, p. 16--22.

43. Steels, L. (2001) Social Learning and Verbal Communication with Humanoid Robots. In: Proceedings of the IEEE-RAS International Conference on Humanoid Robots. Waseda University, Tokyo. pp. 335--342.

44. Steels, L. (2002) Computer simulations of the origins of case grammar. Fourth Evolution of Language Conference, Harvard, Cambridge Ma.

45. Steels, L. and T. Belpaeme (2003) Computer Simulations of Colour Categorisation and Colour Naming. Submitted to BBS.

46. Steels, L. and R. Brooks (eds.) (1994) The artificial life route to artificial intelligence. Building situated embodied agents. Lawrence Erlbaum, Hilssdale, NJ.

47. Steels, L., F. Kaplan, A McIntyre and J. Van Looveren (2001) Crucial factors in the origins of word-meaning. In Wray, A., editor, The Transition to Language, Oxford University Press. Oxford, UK, 2002.

48. Steels, L. and F. Kaplan (2001) AIBO's first words. The social learning of language and meaning. Evolution of Communication 4(1).

49. Steels, L. and P. Vogt (1997) Grounding Adaptive Language Games in Robotic Agents. In Harvey, I. et.al. (eds.) Proceedings of ECAL 97, Brighton UK, July

1997. The MIT Press, Cambridge Ma.

50. Talmy, L. (2000) Toward a Cognitive Semantics: Concept Structuring Systems (Language, Speech, and Communication) The MIT Press, Cambridge Ma.

51. Tomasello, M. (1999). The Cultural Origins of Human Cognition. Harvard University Press.

52. Traugott, E. and Heine, B. (1991) Approaches to Grammaticalization. Volume I and II. John Benjamins Publishing Company, Amsterdam.

53. Van Kemenade, A (1987) Syntactic Case and Morphological Case in the History of English. Forist Publications, Dordrecht.

54. Vogel, P.M. and B. Comrie (eds.) (2000) Approaches to the Typology of Word Classes. (Empirical Approaches to Language Typology, 23) Cambridge University Press, Cambridge.

55. Vogt, P. (2001) Bootstrapping grounded symbols in minimal autonomous robots. Evolution of Communication 4(1).

56. Wray, A., et al. ed. (2002): The Transition to Language, Oxford, UK, Oxford University Press.