KHIEM, Nguyen Tien; HUNG, Duong The; NINH, Vu Thi An. Multiple crack identification in stepped beam by measurements of natural frequencies. Vietnam Journal of Mechanics, Hanoi, Vietnam, v. 36, n. 2, p. 119–132, 2014. DOI: 10.15625/0866-7136/36/2/3141. Disponível em: https://vjs.ac.vn/vjmech/article/view/3141. Acesso em: 30 apr. 2025.