R. Craig and A. J. Kurdila, Fundmentals of Structural Dynamics, 2006.

C. Soize and A. Batou, Stochastic Reduced-Order Model in Low-Frequency Dynamics in Presence of Numerous Local Elastic Modes, Journal of Applied Mechanics, vol.78, issue.6, p.61003, 2011.
DOI : 10.1115/1.4002593

URL : https://hal.archives-ouvertes.fr/hal-00692835

K. J. Bathe, Finite element Procedures, 1996.