Ackley, D. H. & Littman, M. L. (1994). Altruism in the evolution of communication. In Brooks, R. A. & Maes, P. (Eds.), Artificial Life IV: Proceedings of the International Workshop on the Synthesis and Simulation of Living Systems, (pp. 40-48)., Cambridge, MA. MIT Press.

Arak, A. & Enquist, M. (1995). Conflict, receiver bias and the evolution of signal form. Philosophical Transactions of the Royal Society, Series B, 349, 337-344.

Axelrod, R. (1981). The evolution of cooperation. Science, 211(4489), 1390-1396.

Basolo, A. L. (1995). Phylogenetic evidence for the role of a pre-existing bias in sexual selection. Proceedings of the Royal Society of London B, 259(1356), 307-11.

Bedau, M. A. (1998). Philosophical content and method of artificial life. In T. W. Bynam & J. H. Moor (Eds.), The Digital Phoenix: How Computers are Changing Philosophy (pp. 135-152). Oxford: Basil Blackwell.

Beer, R. D. (2000). Dynamical approaches to cognitive science. Trends in Cognitive Sciences, 4(3), 91-99.

Beer, R. D. (2003). The dynamics of active categorical perception in an evolved model agent. Adaptive Behavior, 11(4), 209-243.

Brooks, R. A. (1991). Intelligence without representation. Artificial Intelligence Journal, 47, 139-159.

Bullock, S. (1998). A continuous evolutionary simulation model of the attainability of honest signalling equilibria. In Adami, C., Belew, R., Kitano, H., & Taylor, C. (Eds.), Proceedings of the Sixth International Conference on Artificial Life, (pp. 339-348).

Cangelosi, A. (2001). Evolution of communication and language using signals, symbols and words. IEEE Transactions on Evolutionary Computation, 5(2), 93-101.

Cangelosi, A. & Parisi, D. (1998). The emergence of a language in an evolving population of neural networks. Connection Science, 10(2), 83-97.

Cangelosi, A. & Parisi, D. (Eds.). (2002). Simulating the evolution of language. London: Springer- Verlag.

Dawkins, R. (1976). The selfish gene. Oxford: Oxford University Press.

Dawkins, R. & Krebs, J. R. (1978). Animal signals: information or manipulation? In J. R. Krebs & N. B. Davies (Eds.), Behavioural Ecology: An Evolutionary Approach (pp. 282-309). Oxford: Blackwell Scientific Publications.

Dennett, D. C. (1994). Artificial life as philosophy. Artificial Life, 1(1), 291-292.

Di Paolo, E. (1998). An investigation into the evolution of communication. Adaptive Behavior, 6(2), 285-324.

Di Paolo, E. A., Noble, J., & Bullock, S. (2000). Simulation models as opaque thought experiments. In Bedau, M., McCaskill, J., Packard, N., & Rasmussen, S. (Eds.), Artificial Life VII, (pp. 497-506)., Cambridge, MA. MIT Press.

Endler, J. A. & Basolo, A. L. (1998). Sensory ecology, receiver biases and sexual selection. Trends in ecology & evolution, 13(10), 415-420.

Grafen, A. (1990). Biological signals as handicaps. Journal of Theoretical Biology, 144, 517-546.

Guilford, T. & Dawkins, M. S. (1991). Receiver psychology and the evolution of animal signals. Animal Behaviour, 42, 1-14.

Hamilton, W. D. (1964). Genetic evolution of social behavior. Journal of Theoretical Biology, 7(1), 1-52.

Harvey, I. (1996). Untimed and misrepresented: connectionism and the computer metaphor. AISB Quarterly, 96, 20-27.

Hauser, M. D. (1996). The Evolution of Communication. Cambridge, MA: MIT Press.

Hihara, S., Yamada, H., Iriki, A., & Okanoya, K. (2003). Spontaneous vocal differentiation of coo-calls for tools and food in japanese monkeys. Neuroscience Research, 45, 383-389.

Hurford, J. R. (1989). Biological evolution of the saussurean sign as a component of the language acquisition device. Lingua, 77(2), 187-222.

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

Krebs, J. R. & Dawkins, R. (1984). Animal signals: Mind-reading and manipulation. In J. R. Krebs & N. B. Davies (Eds.), Behavioral Ecology: An Evolutionary Approach (second edition ed.). chapter 15, (pp. 380-402). Oxford: Blackwell Scientific Publications.

Lotem, A., Wagner, R., & Balshine-Earn, S. (1999). The overlooked signaling component in nonsignaling behavior. Behavioral Ecology, 10, 209-212.

MacLennan, B. & Burghardt, G. M. (1993). Synthetic ethology and the evolution of cooperative communication. Adaptive Behavior, 2(2), 161-187.

Maki, H. (2002). Origins of spontaneous mutations: specificity and directionality of base-substitution, frameshift, and sequence-substitution mutageneses. Annual Review of Genetics, 36, 279-303.

Marocco, D., Cangelosi, A., & Nolfi, S. (2003). The emergence of communication in evolutionary robots. Philosophical Transactions to the Royal Society A: Mathematical, Physical and Engineering Sciences, 361(1811), 2397-2421.

Marocco, D. & Nolfi, S. (2006). Origins of communication in evolving robots. In Nolfi, S., Baldassarre, G., Calabretta, R., Hallam, J., Marocco, D., Miglino, O., Meyer, J.-A., & Parisi, D. (Eds.), From animals to animats 9: Proceedings of the Ninth International Conference on Simulation of Adaptive Behaviour, LNAI, (pp. 789-803)., Berlin. Springer Verlag.

Maynard-Smith, J. (1997). The theory of evolution. Cambridge: Cambridge University Press.

Maynard-Smith, J. & Harper, D. G. (1995). Animal signals: models and terminology. Journal of Theoretical Biology, 177, 305-311.

Maynard-Smith, J. & Harper, D. G. (2003). Animal Signals. Oxford University Press.

Mirolli, M. & Parisi, D. (2005a). How can we explain the emergence of a language which benefits the hearer but not the speaker? Connection Science, 17(3-4), 325-341.

Mirolli, M. & Parisi, D. (2005b). Language as an aid to categorization: A neural network model of early language acquisition. In Cangelosi, A., Bugmann, G., & Borisyuk, R. (Eds.), Modelling language, cognition and action: Proceedings of the 9th Neural Computation and Psychology Workshop, (pp. 97-106)., Singapore. World Scientific.

Mirolli, M. & Parisi, D. (2006). Talking to oneself as a selective pressure for the emergence of language. In Cangelosi, A., Smith, A., & Smith, K. (Eds.), The Evolution of Language: Proceedings of the 6th International Conference on the Evolution of Language, (pp. 214-221). World Scientific Publishing.

Mitchell, M. (1996). Introduction to Genetic Algorithms. Cambridge, MA: MIT Press.

Noble, J. (1998). Tough guys don't dance: Intention movements and the evolution of signalling in animal. In Pfeifer, R., Blumberg, B., & Kobayashi, H. (Eds.), Proceedings of the Fifth International Conference on the Simulation of Adaptive Behavior, Cambridge, MA. MIT Press.

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

Nolfi, S. (2005). Emergence of communication in embodied agents: Co-adapting communicative and non-communicative behaviours. Connection Science, 17(3-4), 231-248.

Oliphant, M. (1996). The dilemma of saussurean communication. Biosystems, 37(1-2), 31-38.

Parisi, D. (1997). An artificial life approach to language. Brain and Language, 59, 121-146.

Proctor, H. C. (1992). Sensory exploitation and the evolution of male mating behaviour: a cladistic test using water mites (acari: Parasitengona). Animal Behaviour, (44), 745-752.

Quinn, M. (2001). Evolving communication without dedicated communication channels. In Kelemen, J. & Sosik, P. (Eds.), Advances in Artificial Life: Sixth European Conference on Artificial Life, (pp. 357-366)., Prague, Czech Republic. Springer.

Ryan, M. J., Fox, J. H., Wilczynski, W., & Rand, A. S. (1990). Sexual selection for sensory exploitation in the frog physalaemus pustulosus. Nature, 343(6253), 66-67.

Ryan, M. J., Phelps, S. M., & Rand, A. S. (2001). How evolutionary history shapes recognition mechanisms. Trends in Cognitive Sciences, 5(4), 143-148.

Searcy, W. A. & Nowicki, S. (2005). The Evolution of Animal Communication: Reliability and Deception in Signaling Systems. Princeton, NJ: Princeton University Press.

Simon, H. A. (1990). A mechanism for social selection and successful altruism. Science, 250, 1665- 1668.

Steels, L. (1996). Emergent adaptive lexicons. In Maes, P., Mataric, M., Meyer, J., Pollack, J., & Wilson, S. (Eds.), From Animals to Animats 4: Proceedings of the Fourth International Conference On Simulation of Adaptive Behavior, (pp. 562-567)., Cambridge, MA. The MIT Press.

Steels, L. (2006). Experiments on the emergence of human communication. Trends in Cognitive Sciences, 10(8), 347-349.

Tinbergen, N. (1952). Derived activities: Their causation, biological significance, origin and emancipation during evolution. Quarterly Review of Biology, 27, 1-32.

Tinbergen, N. (1963). On aims and methods of ethology. Zeitschrift fur Tierpsychologie, 20, 410-433.

Trivers, R. L. (1971). The evolution of reciprocal altruism. Quarterly Review of Biology, 46, 35-57.

VanRhijn, J. & Vodegel, R. (1980). Being honest about one's intentions: An evolutionary stable strategy for animal conflicts. Journal of Theoretical Biology, 85, 623-641.

Wagner, K., Reggia, J. A., Uriagereka, J., & Wilkinson, G. S. (2003). Progress in the simulation of emergent communication and language. Adaptive Behavior, 11(1), 37-69.

Werner, G. M. & Dyer, M. G. (1992). Evolution of communication in artificial organisms. In C. Langton, C. Taylor, D. Farmer, & S. Rasmussen (Eds.), Artificial Life II (pp. 659-687). Redwood City, CA: Addison-Wesley.

Zahavi, A. (1975). Mate selection. a selection for a handicap. Journal of Theoretical Biology, 53, 205-214.