1. Synergetics; An Introduction;Haken,1977
2. Time Series Analysis Forecasting and Control;Box,1976
3. Nonlinear Time Series: A Selective Review, SFB 123;Tjøstheim,1992
4. Nonlinear Modeling and Forecasting, Santa Fe Institute Series XII,1992
5. Automatic modeling of physical phenomena: Application to ultrasonic data;Grabee;J. Appl. Phys.,1991