Khiem, Nguyen Tien, Dao Nhu Mai, Nguyen Van Dac, and Nguyen Viet Khoa. “Identification of Dynamical Characteristics for Distributed Parameters Systems from Measured Vibration Data”. <i>Vietnam Journal of Mechanics</i> 17, no. 1 (March 31, 1995): 35–44. Accessed January 11, 2026. https://vjmech.vast.vn/vjmech/article/view/10122.