Khiem, Nguyen Tien, Tran Thanh Hai, Le Khanh Toan, Nguyen Thi Lan, and Ho Quang Quyet. “A Novel Criterion for Crack Detection in Beam Structures by Frequency Response Functions”. Vietnam Journal of Mechanics 45, no. 3 (September 30, 2023): 273–286. Accessed May 9, 2024. https://vjs.ac.vn/index.php/vjmech/article/view/19040.