1. D.E. Rumeihart and D.E. Hinton, and R.J. Williams, “Learning representation by backpropagating errors,” Nature, vol. 323, no. 9, pp. 533536, 1986.
2. D.E. Rumelhart and J.L. McClelland, “Parallel distributed processing, explorations in the microstructure of cognition,” in Foundations, vol 1. Cambridge, MA: MIT Press, 1986.
3. M.J.D. Powell, “Radial basis functions for multivariate interpolation: A review,” Tech. Rep. DAMPT 1985/NAl2, Dept. Appl. Math. Theoretical Phys., Cabridge Univ., Cabridge, U.K., 1985.
4. D.S. Broomhead and D.Lowe. Broomhead and D.Lowe, “Radial basis-function, multi-variable functional interpolation and adaptive networks,” Royal Signals Radar Est. Memo. 4148, Mar. 28, 1988.
5. G.A. Carpenter and S.A. Grossberg, “ART2: Self-organization of stable category recognition codes for analog input patterns,” Appl. Opt., vol. 26, no. 3, pp. 4919–4930, 1987.