Hetz, J., Krough, A. and Palmer, R. (1991) Introduction to the Theory of Neural Computation. Addison Wesley Company, Boston.
 Haykin, S. (1999) Neural Networks: A Comprehensive Foundation. 3rd Edition, Prentice Hall Inc., Upper Saddle River.
 Mashood, B. and Millbank, G. (2015) Advances in Theory of Neural Network and Its Application. Journal of Global Prospect of Artificial Intelligent, Preprint.
 Takefuji, Y. Neural and Parallel Processing. The Kluwer International Series in Engineering and Computer Science, SEeS0164.