Gagliardo, R. ., F. . Portioli, L. . Cascini, and R. . Landolfo. “Rocking Response of the Rigid Block Under Rectangular Pulse Excitation: A Comparison Between ODE and Optimization-Based Solvers”. Journal of Advances in Applied & Computational Mathematics, vol. 8, Mar. 2022, pp. 109-16, doi:10.15377/2409-5761.2021.08.8.