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AUGUSTYN, E.; KOZIEŃ, M. S.; PRĄCIK, M. FEM Analysis of Active Reduction of Torsional Vibrations of Clamped-Free Beam by Piezoelectric Elements for Separated Modes. Arch. Acoust. 2014, 39 (4), 639-644. https://doi.org/10.2478/aoa-2014-0069.