1. C. M. Bishop. Neural Networks for Pattern Recognition. Oxford University Press, Walton Street, Oxford OX2 6DP, 1995.
2. P. A. Devijver and J. Kittler. Pattern Recognition, A statistical approach. Prentice-Hall International, London, 1982.
3. R. O. Duda and P. E. Hart. Pattern Classification and Scene Analysis. John Wiley & Sons, New York, 1973.
4. J. G. Proakis and D. G. Manolakis. Digital signal processing-principles, algorithms and applications, 2nd ed. MacMillan Publ., New York, 1992.
5. P. Pudil, J. Novovicova, and J. Kittler. Floating search methods in feature selection. Pattern Recognition Letters, 15(11):1119–1125, 1994.