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• Igusa, T.; Der Kiureghian, A.
  Dynamic Analysis of Multiply Tuned and Arbitrarily Supported Secondary Systems.
  National Science Foundation, Washington, DC., July 1983, 240 p.
  Identifying Number(s): UCB/EERC-83/07
  Keywords: Dynamic response; Eigenvalues; Damping; Buildings; Earthquake engineering; Earthquakes; Frequency response; Substructures; Degrees of freedom; Approximation; Perturbation; Building subsystems