1. Modal testing: theory and practice;Ewins,1984
2. Ewins DJ. Modal analysis at high frequencies. In: Proceedings of the International Symposium: “Prediction of the noise emitted by vibrating structures”, CETIM-Senlis, 26–28 March, 1991.
3. Heylen W, Lammens S, Sas P. Modal analysis and testing. In: Proceedings of the 19th ISMA, Kuleuven, Belgium, 1994.
4. Duarte M, Ewins DJ. Some insights into the importance of rotational degrees of freedom and residual terms in coupled structure analysis. In: Proceedings of the 13th International Modal Analysis Conference, Nashville, Tennessee, 13–16 February, 1995.
5. Bregant L, Otte D, Sas P. FRF Substructure synthesis: evaluation and validation of data reduction methods. In: Proceedings of the 13th International Modal Analysis Conference, Nashville, Tennessee, 1995.