Topics in Modal Analysis, Volume 7 Proceedings of the 31st IMAC, A Conference on Structural Dynamics, 2013 - Allemang, Randall.; Allemang, Randall.; De Clerck, James.; De Clerck, James.; Niezrecki, Christopher.; Niezrecki, Christopher.; Wicks, Alfred.; Wicks, Alfred. (Springer New York : Imprint: Springer, 2014)