1. Anderson JA, Rosenfeld E (eds) (1988) Neurocomputing, foundations of research. MIT Press, Cambridge Mass
2. Duda RO, Hart PE (1973). Pattern classification and scene analysis, chap 4. Wiley, New York
3. Gibbs JW (1902) Elementary principles in statistical mechanics. Yale University Press, New Haven Conn
4. Grabec I (1989) Self-organization based on the second maximum-entropy principle, 1st IEE conference on “Artificial Neural Networks”. London, Conf. Publication No. 313, pp 12–16
5. Materials Science Center Report # 6771;I Grabec,1989