Phonetic code emergence in a society of speech robots: explaining vowel systems and the MUAF principle. - Ahmed-Réda Berrah; Rafael Laboissière (EUROSPEECH, 1997)

Evolution d'une société artificielle d'agents de parole : un modèle pour l'émergence des structures phonétiques. (Evolution of an artificial society of speech agents : a model for the emergence of phonetic structures). - Ahmed-Réda Berrah (1998)

SPECIES: An Evolutionary Model for the Emergence of Phonetic Structures in an Artificial Society of Speech Agents. - Ahmed-Réda Berrah; Rafael Laboissière (ECAL, 1999)