1. D.E. Adams, R.J. Allemang, Survey of nonlinear detection and identification techniques for experimental vibrations, Proceedings of ISMA23, Vol. I, 1998, pp. 269–281.
2. Developments in force-state mapping technique for non-linear systems and the extension to the location of non-linear elements in a lumped-parameter system;Al-Hadid;Mech. Systems Signal Process.,1989
3. A general identification technique for nonlinear differential equations of motion;Bendat;Probab. Eng. Mech.,1992
4. Identification of hysteretic oscillators under earthquake loading by nonparametric models;Benedettini;J. Engng Mech.,1995
5. S.A. Billings, Identification of nonlinear systems, in: S.A. Billings, J.O. Gray, D.H. Owens (Eds.), Nonlinear System Design, IEE Control Engineering Series, 1984, pp. 30–45 (Chapter 2).