SHAKEEB AL-SARRAF, Z.; MOHAMMED JAMEL ALI, S. Study the Transverse Vibration of a Beam With Different Length. Al-Rafidain Engineering Journal (AREJ), [S. l.], v. 17, n. 1, p. 83–91, 2009. DOI: 10.33899/rengj.2009.38471. Disponível em: https://jamh.uomosul.edu.iq/index.php/arej/article/view/31062. Acesso em: 5 sep. 2025.