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2. California Institute of Technology, ‘Analyses of strong motion earthquake accelerograms’, Parts C-S, 1971–74. Index volume: Report No. EERL 76-02, California Institute of Technology, Pasadena (1976).
3. ‘Analysis of the earthquake response of a nine-story steel frame building during the San Fernando earthquake’, Report No. EERL 72–04, California Institute of Technology, Pasadena (1972).
4. Comparison of some methods used for process identification
5. System identification- an introduction and a survey