1. López, L.S. and Connell, J.H. (Eds) (2001), “Semi‐sentient robots”,IEEE Intelligent Systems, (September/October).
2. Maes, P. (1994), “Modelling adaptive autonomous agents”,Artificial Life, Vol. 1 Nos 1/2, pp. 135‐62.
3. Mataric, M.J. (1997), “Behavior‐based control: examples from navigation, learning, and group behavior”,Journal of Experimental and Theoretical Artificial Intelligence, special issue on Software Architectures for Physical Agents, H. Hexmoor, I. Horswill, and D. Kortenkamp, (Eds), Vol. 9, Nos 2/3, pp. 323‐36.
4. From natural to artificial life: Biomimetic mechanisms in animat designs
5. Tu, X. and Terzopoulos, D. (1994), “Artificial fishes: physics, locomotion, perception, behavior”,ComputerGraphics Proceedings (SIGGRAPH'94).