5Smith M J. Mathematical ideas in biology[M]. Cambridge: Cambridge University Press, 1968.35-47.
6Tang S Y, Chen L S. Chaos in functional response host-parasitoid ecosystem models[J]. Chaos, Solitons and Fractals, 2002,13:875-884.
7Parker T S, Chua L O. Practical numerical algorithms for chaotic systems[M]. New York: Springer, 1989.66-71.
8Rasband S N. Chaotic dynamics of nonlinear system[M]. New York: Wiley/Interscience, 1990.187-195.
9Isidori A. Nonlinear control systems[M]. 3rd ed. New York: Springer, 1995.137-218.
10CHEN M ,CHEN W H. Sliding Mode Control for a Class of Uncertain Nonlinear System Based on Disturbance Observer [ Jl. International Journal of Adaptive Control and Signal Processing, 2010, 24( 1 ) :51 -64.