MUBARAK ABDULLAH, S. FREE VIBRATIONS OF SIMPLY SUPPORTED BEAMS USING FOURIER SERIES. Al-Rafidain Engineering Journal (AREJ), [S. l.], v. 14, n. 2, p. 51–67, 2006. DOI: 10.33899/rengj.2006.46558. Disponível em: https://ojs.uomosul.edu.iq/index.php/arej/article/view/26742. Acesso em: 7 aug. 2025.