Theoretical and experimental modal analysis - Mendes Maia, Nuno Manuel,; Mendes Maia, Nuno Manuel,; Montalvão e Silva, Júlio Martins,; Montalvão e Silva, Júlio Martins,; He, Jimin; Lieven, Nicholas Andrew John; Lin, Rong Ming; Skingle, Graham William; To, Wai-Ming; Vale Urgueira, António Paulo (Mechanical Engineering Research Studies. Engineering Control Series, 1998)