Allen, Jonathan, M. Sharon Hunnicutt & Dennis Klatt (1987) From text to speech: The MITalk system, Cambridge: Cambridge University Press.

Batali, John (1998) Computational simulations of the emergence of grammar. In Hurford et al. 1998, pp. 405-426.

Boersma, Paul (1998) Functional Phonology The Hague: Holland Academic Graphics.

Browman, Catherine P. & Louis Goldstein (1995) Dynamics and Articulatory Pho nology. In Robert F. Port & Timothy van Gelder (eds.) Mind as Motion, MIT Press, Cambridge Mass. pp. 175-194.

Carr¨ , Ren¨ (1994) `Speaker' and `Speech' Characteristics: A Deductive Approach. Phonetica 51, pp. 7-16

Carr¨ , Ren¨ (1996) Prediction of vowel systems using a deductive approach. In Pro ceedings of the ICSLP 96, Philadelphia, pp. 434-437.

Choi, John D. (1991) Kabardian Vowels Revisited. Journal of the International Pho netic Association 21 pp. 4-12.

Chomsky, Noam (1965) Aspects of the Theory of Syntax, MIT Press, Cambridge, Mass.

Chomsky, Noam (1972) Language and Mind, enlarged edition, New York: Harcourt Brace Jovanovich, Inc.

Chomsky, Noam (1975) Reflections on Language, New York: Pantheon Books.

Chomsky, Noam (1980) Rules and representations. The behavioral and brain sci ences 3, pp. 1-21.

Chomsky, Noam & Morris Halle (1968) The sound pattern of English, MIT Press, Cambridge, Mass.

Comrie, Bernard (1981) Language typology and linguistic universals, Oxford: Black well

Darwin, Charles (1859) On the origin of species, reprinted: Penguin Classics, 1985.

Dawkins, Richard ( 1976) The selfish gene. Oxford: Oxford university press

De Saussure, Ferdinand (1987) Cours de linguistique gX nX rale, X dition prX parX`Y par Tullio de Mauro, Paris: Payot.

Dunbar, Robin (1996) Grooming, gossip and the evolution of language, London: Faber and Faber.

Elman, Jeffrey L. (1990) Finding Structure in Time. Cognitive Science 14 pp. 179- 211.

Elman, Jeffrey L. & David Zipser (1988) Learning the hidden structure of speech. Journal of the Acoustical Society of America 83(4) pp. 1615-1626.

Everett, Daniel. L. (1982) Phonetic rarities in Piraha. Journal of the International Phonetic Association 12/2 pp. 94-96.

Fant, Gunnar (1973) Speech sounds and Features, Cambridge (MS): MIT Press.

Firchow, Iwin & Jacqueline Firchow (1969) An abbreviated phoneme inventory. An thropological Linguistics 11, pp. 271-276.

Gasser, Michael (1998) (ed.) The Grounding of Word Meaning: Data and Models, Pa pers from the 1998 Workshop, Menlo Park (CA): AAAI Press.

Glotin, Herv¨ (1995) La Vie Artificielle d'une sociX tX de robots parlants: X mergence et changement du code phonX tique. DEA sciences cognitives-Institut National Polytechnique de Grenoble.

Goldberg, David E. (1998) Genetic algorithms in search, optimization, and machine learning, Reading (Mass.): Addison-Wesley.

Grieser, DiAnne & Patricia K. Kuhl (1989) Categorization of speech by infants: Sup port for speech-sound prototypes. Developmental Psychology 25, pp. 577- 588.

Grimes, Barbara F. (ed.)(1996) Ethnologue: Languages of the World, 13th edition, SIL.

Handel, Stephen (1989) Listening, An introduction to the Perception of Auditory Events, Cambridge (MS) "A Bradford book" MIT Press.

Hashimoto, M. J. (1973) The Hakka Dialect; A Linguistic Study of Phonology, Syntax and Lexicon. Cambridge: Cambridge University Press.

Hasselbrink, Gustav (1965) Alternative analyses of the phonemic system in Central South-Lappish, The Hague: Bloomington.

Hauser, Marc D. (1997) The evolution of communication, Cambridge (MS) MIT Press.

Haykin, Simon (1994) Neural Networks: A Comprehensive Foundation, New York: MacMillan.

Hertz, John, Anders Krogh, & Richard G. Palmer (1991), Introduction to the Theory of Neural Computation, Addison Wesley.

Hockett, Charles F. (1955) A manual of phonology, Baltimore: Waverley Press.

Hopper, Paul J. & Elizabeth Closs Traugot (1993) Grammaticalization, Cambridge: Cambridge University Press.

Hurford, James R. (to appear) Social transmission favours linguistic generalization. In Chris Knight & Jim Hurford (eds.) The evolution of language, Cambridge: Cambridge University Press.

Ifeachor, Emmanuel C. & Barrie W. Jervis (1993) Digital Signal Processing, A practi cal approach, Workingham: Addison Wesley.

Jakobson, Roman & Morris Halle (1956) Fundamentals of Language, the Hague: Mouton & Co.

Jespersen, Otto (1968) Language, its nature, development and origin, London: Allen and Unwin.

Johnson, Mark H. (1997) Developmental Cognitive Neuroscience, Oxford: Blackwell.

Kandel, Eric R, James H. Schwartz & Thomas M. Jessell, (1991) Principles of Neuro science, 3rd edition. London: Prentice-Hall.

Kaplan, Fr¨ d¨ ric, Luc Steels & Angus McIntyre (1998) An architecture for evolving robust shared communication systems in noisy environments in: Proceedings of Sony Research Forum 98, Tokyo.

Kegl, Judy (1994) The Nicaraguan sign Language Project: an overview. Signpost 7, volume 1, pp. 24-31.

Kelso, J. A. S, E.L. Saltzman & B. Tuller (1986) The dynamical perspective on speech production: data and theory. Journal of Phonetics 14, pp. 29-59.

Kirby, Simon (1998) Fitness and the selective adaptation of language. In Hurford et al. pp. 359-383

Ladefoged, Peter (1981), Preliminaries to Linguistic Phonetics, Midway Reprint, The University of Chicago Press.

Ladefoged, Peter & Ian Maddieson (1996) The Sounds of the World's Languages, Ox ford: Blackwell.

Lakoff, G. (1987) Women, fire, and dangerous things: what categories reveal about the mind. Chicago: Chicago University Press.

Langton, Christopher G. (ed.) (1989) Artificial Life, Addison Wesley.

Langton, Christopher G, Charles Taylor, J. Doyne Farmer & Steen Rasmussen (eds.)(1990) Artificial Life II, Addison Wesley.

Liljencrants, L. & Björn Lindblom (1972) Numerical simulations of vowel quality sys tems: The role of perceptual contrast. Language 48 pp. 839-862.

Lindblom, Björn (1986) Phonetic universals in vowel systems. In: Ohala, J. J. & Jae ger, J. J. (eds.) Experimental Phonology, Orlando (FL): Academic Press, pp. 13-44.

Lindblom, Björn (in press) From second thoughts to first principles. In Pierrehum bert, J. & Broe, M. (eds.) Papers from the fifth Laboratory Phonology Confer ence, Cambridge University Press.

Lindblom, Björn & Olle Engstrand (1989) In what sense is speech quantal? In: Jour nal of Phonetics 17, pp. 107-121.

Lindblom, Björn & Ian Maddieson (1988), Phonetic Universals in Consonant Sys tems. In Larry M. Hyman & Charles N. Li (eds.) Language, Speech and Mind, pp. 62-78.

MacNeilage, Peter (to appear) The Frame/Content Theory of Evolution of Speech Production, Behavioral and Brain Sciences.

Maddieson, Ian (1984) Patterns of sounds, Cambridge University Press.

Maddieson, Ian & Kristin Precoda (1990) Updating UPSID. In UCLA Working Papers in Phonetics 74, pp. 104-111.

Mermelstein, P. (1973) Articulatory model for the study of speech production, The Journal of the Acoustical Society of America, 53(4) pp. 1070-1082.

Oppenheim, Alan V, Alan S. Willsky & Ian T. Young (1983) Signals and Systems, London, Prentice-Hall international.

Peterson, Gordon. E. & Harold L. Barney (1952) Control Methods Used in a Study of the Vowels, The Journal of the Acoustical Society of America, 24(2) pp. 175- 184.

Pinker, Steven (1995) The language instinct, Penguin

Pinker, Steven & Bloom, P. (1990) Natural Language and Natural Selection. The Be havioral and Brain Sciences 13, pp. 707-784.

Press, William H, Saul A. Teukolsky, William T. Vetterling & Brian P. Flannery (1992), Numerical Recipies in C: The art of Scientific Computing second edition, Cambridge University Press.

Pullum, Geoffrey K. & William A. Ladusaw (1996) Phonetic Symbol Guide, second edi tion, Chicago: The Chicago University Press.

Rabiner, Lawrence R. & Ronald W. Schafer (1978) Digital Processing of Speech Sig nals, Englewood Cliffs (NJ): Prentice-Hall, Inc.

Rober-Ribes, J. (1995) Modèles d'intX gration audiovisuelle de signaux linguistiques. Th·¹¸§ de docteur de l'Institut National Polytechnique de Grenoble.

Rousseau, Jean-Jacques (1986) Essay on the origin of languages which treats of melody and musical imitation. In John H. Moran & Alexander Gode On the origin of language, pp. 1-74.

Rubin, Philip, Thomas Baer and Paul Mermelstein (1981) An articulatory synthesizer for perceptual research. Journal of the Acoustical Society of America 70(2) pp. 321-328.

Russel, Stuart J. & Peter Norvig (1995) Artificial Intelligence A Modern Approach, Englewood Cliffs (NJ): Prentice-Hall.

Saltzman, Elliot L. (1986) Task dynamic coordination of the speech articulators. Ex perimental brain research series 15 pp. 129-144.

Saltzman, Elliot L. (1995) Dynamics and Coordinate Systems in Skilled Sensorimo tor Activity. In Port, Robert F. & van Gelder, Timothy (eds.) Mind as Motion, MIT Press, Cambridge Mass. pp. 149-174.

Saltzman, Elliot L. & Kevin G. Munhall (1989) A Dynamical Approach to Patterning in Speech Production. Ecological Psychology 1(4) pp. 333-382.

Schwartz, Jean-Luc, Louis-Jean Bo , Nathalie Vall¨§ & Christian Abry (1997a), Ma jor trends in vowel system inventories. Journal of Phonetics 25, pp. 233-253

Schwartz, Jean-Luc, Louis-Jean Bo , Nathalie Vall¨§ & Christian Abry (1997b), The Dispersion-Focalization Theory of vowel systems. Journal of Phonetics 25, pp. 255-286.

Sedlak, P. (1969) Typological considerations of vowel quality systems. Working Pa pers on Language Universals 1, Stanford University pp. 1-40.

Seiden, W. (1960) Chamorro Phonemes. Anthropological Linguistics 2(4) pp. 6-33.

Senghas, Ann (1994) Nicaragua's Lessons for Language Acquisition. Signpost 7, vol ume 1, pp. 32-39.

Senghas, Richard J. & Judy Kegl (1994) Social considerations in the emergence of Idioma de Signos Nicaragüense (Nicaraguan Sign Language). Signpost 7, vol ume 1, pp. 40-46.

Sheldon, S. N. (1974) Some morphophonemic and tone rules in Mura-Pirahã. Inter national Journal of American Linguistics 40 pp. 279-82.

Snyman, J. W. (1970) An introduction to the !Xº » (!Kung) language, Cape Town: Balkema.

Steels, Luc (1992) PDL Reference manual, Vrije Universiteit Brussel AI-memo 92-05.

Steels, Luc (1995) A Self-Organizing Spatial Vocabulary. Artificial Life 2(3), pp. 319- 332.

Steels, Luc (1996) The Spontaneous Self-organization of an Adaptive Language. In S. Muggleton (ed.) Machine Intelligence 15.

Steels, Luc (1997a) Constructing and Sharing Perceptual Distinctions. In Maarten van Someren and G. Widmer (eds.) Proceedings of the ECML, Berlin: Springer Verlag.

Steels, Luc (1997b) The Synthetic Modelling of Language Origins, Evolution of Com munication 1(1): pp. 1-34.

Steels, Luc (1997c) The Origins of Syntax in Visually Grounded Robotic Agents. In: Pollack, M. (ed.) Proceedings of the IJCAI-97 Conference. The AAAI Press, Morgan Kaufmann Pub. Los Angeles.

Steels, Luc (1998a) The origins of syntax in visually grounded robotic agents. Artifi cial Intelligence 103(1-2) pp. 133-156.

Steels, Luc & Fr¨ d¨ ric Kaplan (1998) Spontaneous Lexicon Change. In: Proceedings of COLING-ACL 1998, Montreal, pp.1243-1249.

Stevens, Kenneth N. (1989) On the quantal nature of speech, Journal of Phonetics 17, 1, pp. 3-45

Stevens, Kenneth N. & Sheila E. Blumstein (1975) Quantal aspects of consonant production and perception, Journal of Phonetics 3, pp. 215-233.

Suzuki, Junji & Kunihiko Kaneko (1994) Imitation Games. Physica D 75 pp. 328- 342.

Trubetzkoy, N. S. (1929) Zur allgemeinen Theorie der phonologischen Vokalsysteme. Travaux du cercle linguistique de Prague 7, pp. 39-67.

Turing, Alan M. (1950) Computing Machinery and Intelligence. In E. A. Feigenbaum (ed.) Computers and Thought, McGraw-Hill.

Vall¨§ , Nathalie (1994) Systèmes vocaliques: de la typologie aux prX dictions, Th·¹¸§ pr¨ par¨§ au sein de l'Institut de la Communication Parl¨§ (Grenoble-URA C.N.R.S. no 368).

Vanvik, A (1972) A phonetic-phonemic analysis of Standard Eastern Norwegian. In Norwegian Journal of Linguistics 26, pp. 119-164.

Vennemann, Theo (1988) Preference Laws for Syllable Structure, Berlin: Mouton de Gruyter.

Vihman, M. (ed.) (1976) A reference manual and user's guide for the Stanford Phonol ogy Archive, part I, Stanford University.

Vihman, Marilyn May (1996) Phonological Development, The origins of language in the child, Blackwell.

Wittgenstein, Ludwig (1967) Philosophische Untersuchungen, Frankfurt: Suhrkamp.