1. Fischer, K. & Kaplan, U. in The Encyclopedia of Cognitive Science Vol. 3 (ed. Nadel, L.) 679–682 (Nature Publishing Group, Macmillan, London, 2003).
2. Changeux, J.-P. & Connes, A. Conversations on Mind, Matter, and Mathematics (Princeton Univ. Press, Princeton, 1998).
3. Gardner, H. Frames of Mind: The Theory of Multiple Intelligences (Basic Books, New York, 1993).
4. Fodor, J. The Modularity of Mind (The MIT Press, Cambridge, 1983).
5. Fodor, J. The Mind Doesn't Work That Way (The MIT Press, Cambridge, 2000).