KHOA, N. V.; QUANG, N. V. Free vibration of a cracked double-beam carrying a concentrated mass. Vietnam Journal of Mechanics, Hanoi, Vietnam, v. 38, n. 4, p. 279–293, 2016. DOI: 10.15625/0866-7136/7118. Disponível em: https://vjs.ac.vn/index.php/vjmech/article/view/7118. Acesso em: 29 mar. 2024.