1. Refenes, A.-P. (1995a). Neural networks for pattern recognition.,Clarendon Press.
2. Haykin, S. (1999). Neural networks: a comprehensive foundation,Prentice-Hall.
3. Anders, U. (1997). Statistische neuronale Netze, Vahlen, München.
4. Ripley, B. (1996). Pattern recognition and neural networks, Cambridge University Press, Cambridge.
5. Rehkugler, H. and Zimmermann, H. G. (1994). Neuronale Netze in der Ökonomie, Vahlen, München.