1. Adleman, L.M.: Molecular computation of solutions to combinatorial problems. Science, 226, (1994) 1021-1024.

2. Batali, J.: Computational Simulations of the Emergence of Grammar. In: Hurford, J. et.al. (1998).

3. De Boer, B.: 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)

4. De Jong, E. and P. Vogt, How Should a Robot Discriminate Between Objects? A comparison between two methods. In: Proceedings of the Fifth International Conference of The Society for Adaptive Behavior, The MIT Press, Cambridge Ma. (1998)

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

6. Jackendoff, R.: Possible Stages in the Evolution of the Language Capacity. In: Trends in Cognitive Sciences vol 3, n0 7 (1999) p. 272-279.

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

8. Lindblom, B, P. MacNeilage and M Studdert-Kennedy, 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. (1984)

9. Nicolis, G. and I. Prigogine, Exploring Complexity. Freeman and Co. New York. (1989)

10. Schwartz, J-L, L-J Boe, N. Vallee and C. Abry, Major trends in vowel system inventories. Journal of Phonetics 25, pp. 233-253. (1997)

11. Steels, L. Artificial Intelligence and Complex Dynamics. In: Tokoro, M. and A. Yonezawa (ed.) Concepts and Techniques of Knowledge-based Systems. Amsterdam: North-Holland Pub. (1988)

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

13. Steels, L. The Synthetic Modeling of Language Origins. Evolution of Communication Journal 1(1), 1-35. (1997)

14. Steels, L.: The Origins of Ontologies and Communication Conventions in MultiAgent Systems. Journal of Autonomous Agents and Multi-Agent Systems, 1 (2), (1998) 169-194.

15. Steels, L. and F. Kaplan, Collective Learning and Semiotic Dynamics. In: Floreano, D. J. Nicoud and F. Mondada (eds.) Advances in Artificial Life (ECAL 99). Lecture Notes in Computer Science, p. 679-688. (1999)

16. Steels, L.: The Emergence of Grammar in Communicating Autonomous Robotic Agents. In: Horn, W. (ed.) Proceedings of ECAI'00. IOS Publishing, Amsterdam. (2000)

17. Steels, L.: The origins of syntax in visually grounded agents. Artificial Intelligence 103 (1998) 1-24.

18. Sutton, R. and A. Barto, Reinforcement Learning. The MIT Press, Cambridge Ma. (1998)