MENH, Nguyen Cao; KHIEM, Nguyen Tien; MAI, Dao Nhu; KHOA, Nguyen Viet. Modal analysis of damaged structures by the modified finite element method. <b>Vietnam Journal of Mechanics</b>, Hanoi, Vietnam, v. 20, n. 1, p. 29–46, 1998. DOI: 10.15625/0866-7136/10010. Disponível em: https://vjmech.vast.vn/vjmech/article/view/10010. Acesso em: 9 nov. 2025.