リファレンス

Akselrod S., et al (1981), "Power spectrum analysis of heart rate fluctuation: a quantitative probe of beat-to-beat cardiovascular control", Science, Vol 213, Issue 4504, 220-222

Kantz, H. and Schreiber, T. (2005), "NON LINEAR TIME SERIES ANALYSIS", Cambridge University Press

Press, W. H., Teukolsky, S. A., Vetterling, W. T. and Flannery, B. P. (1999), "NUMERICAL RECIPES in C Second Edition", Cambridge University Press

Sprott, J. C. (2006), "Chaos and Time-Series Analysis", Oxford University Press

Strogatz, S. H. (1994), "NONLINEAR DYNAMICS AND CHAOS", Addison-Wesley Publishing Company

Yamamoto, Y. and Hughson, R. (1993), "Extracting fractal components from time series", Physica D 68, 250-264

Edited by Weigend, A. S. and Gershenfeld, N. A. (1994), "TIME SERIES PREDICTION: Forcasting the Future and Understanding the Past", Westview Press