1. Coppolino , R.N. A Simultaneous Frequency Domain Technique for Estimation of Modal Parameters from Measured Data 1981
2. Generation and Use of Orthogonal Polynomials for Data-fitting with a Digital Computer;Forsythe;SLAM Journal,1957
3. Multiple Input Modal Analysis of FRFs Based on Direct Parameter Identification;Lembregts;IMAC,1986
4. Identification of Structural System Parameters from Dynamic Response Data;Link;Zeitschrift fur Flugwis-senschaften und Weltraumforschung,1978