References
- Modal Testing;Theory & Practices Ewins, D. J.
- J. of Sound Vib. v.68 no.2 Method and Application of STructural Modeling from Measured Structural Frequency Response Data Goyder, H. G.
- Analytical Methods in Vibration Meirovitch, L.
- Engineering Application of Correlation and Spectral Analysis Bendat, J. S.;A. G. Piesol