1. Identification of a class of nonlinear systems using correlation analysis;Billings;Proceedings of the IEEE,1978
2. Cross-correlation functions of amplitude-distorted Gaussian signals. Technical report 216;Bussgang,1952
3. Linear approximations of nonlinear FIR systems for separable input processes;Enqvist;Automatica,2005
4. Block-oriented nonlinear system identification,2010
5. Frequency domain system identificaton toolbox for Matlab;Kollar,2004