1. JuangJ.N., Applied System Identification, Prentice–Hall, Englewood Cliffs, NJ, 1994, Chaps. 1–5.
2. System Identification
3. EwinsD. J., Modal Testing: Theory, Practice and Applications, Research Studies Press, Baldock, Hertfordshire, England, U.K., 2000, Chaps. 2–4.