AN NINH, Vu Thi; HUONG, Luu Quynh; HAI, Tran Thanh; KHIEM, Nguyen Tien. The transfer matrix method for modal analysis of cracked multistep beam. <b>Vietnam Journal of Science and Technology</b>, Hanoi, VN, v. 55, n. 5, p. 598–611, 2017. DOI: 10.15625/2525-2518/55/5/9140. Disponível em: https://vjst.vast.vn/jst/article/view/9140. Acesso em: 3 sep. 2026.