1. Drama, a connectionist architecture for on-line learning and control of autonomous robots: experiments on learning of a synthetic proto-language with a doll robot;Billard;Industrial Robot,1999
2. Learning motor skills by imitation: a biologically inspired robotic model;Billard;Cybernetics Systems Journal,2001
3. A. Billard, Play, dreams and imitation in Robota, in: K. Dautenhahn, B. Edmonds, L. Canamero (Eds.), Socially Intelligent Agents, Kluwer Academic Publishers, Dordrecht, 2001.
4. A. Billard, Imitation: a means to enhance learning of a synthetic proto-language in an autonomous robot, in: K. Dautenhahn, C. Nehaniv (Eds.), Imitation in Animals and Artifacts, MIT Press, Cambridge, MA, 2002.
5. Getting to know each other—artificial social intelligence for autonomous robots;Dautenhahn;Robotics and Autonomous Systems,1995