Roy, T. B., S. Banerji, S. K. Panigrahi, A. . Chourasia, L. Tirca, and A. Bagchi. “Modal Identification and Damage Detection in Structures Using Non-Linear and Non-Stationary Vibration Response”. Journal of Structural Engineering, vol. 44, no. 3, Nov. 2024, pp. 220-7, http://14.139.176.44/index.php/JOSE/article/view/691.