1. Nikola K. Kasabov.Foundations of Neural Networks, Fuzzy Systems, and Knowledge Engineering, Mass. MIT Press, Cambridge, 1996.
2. Kurt Hotnlk, Maxwell Stinchoombe, Halbert White,Neural Networks,2(1989), 359.
3. X. Su, S. Chang, T. Ma, J. Shen, and Y. Zhang,Journal of Optoelectronics · Laser 14(2003), 842, (in Chinese)
4. Z. X. Wang, Z. Q. Chen, and Z. Z. Yuan,Journal of Optoelectronics · Laser,15(2004), 1225
5. D. P. A. Greenwood, and R. A. Carrasco,IEE Proc.-Commun,147(2000), 285.