1. Canonical correlation analysis of time series and the use of an information criterion;Akaike,1976
2. P. Bernard and P. Nagel, Report of the SMORN IV physical benchmark, NEACRP-L-282.
3. The fitting of time-series models;Durbin;Rev. Inst. Internat. Statist.,1960
4. Nonlinear Method of Spectral Analysis;Haykin,1979
5. Linear System;Kailath,1980