1. A. Meghlaoui: Ph.D. Thesis, Université Laval, Québec, PQ, 1996.
2. K. Grjotheim and H. Kvande: Introduction to Aluminium Electrolysis, 2nd ed., Aluminium-Verlag, Düsseldorf, Germany, 1993.
3. T. Kohonen: Self-Organization and Associative Memory, 2nd ed., Springer-Verlag, Berlin, 1988.
4. Anonymous ftp: cochlea.hut.fi., 1262 Studies of the Self-Organizing Map and Learning Vector Quantization, Laboratory of Computer and Information Science, Helsinki University of Technology, Helsinki, Finland, 1995.
5. Technical Report;T. Kohonen,1992