Abraham, F. D., Abraham, R. H. & Shaw, C. D. (1990). A visual introduction to dynamical systems theory for psychology. Santa Cruz: Ariel.
Kaplan, D., & Glass, L., (1995). Understanding nonlinear dynamics. New York: Springer-Verlag.
Marmarelis, P. Z., & Marmarelis, V. Z. (1978). Analysis of physiological systems: The white-noise approach. New York: Plenum.