References
- Darwin C. The Origin of the Species. Penguin, London 1859, reprinted
- Paley W. Natural Theology, 2nd edn. J. Vincent, Oxford 1828
- Parallel Distributed Processing: Explorations in the micro-structure of cognition, Vol. 2: Psychological and biological models, D. Rumelhart, J. McClelland. MIT Press, Cambridge, MA 1986
- Simon H. A. The Sciences of the Artificial. MIT Press, Cambridge, MA 1969