Stiffness characteristics of railway buffers: Requirements, testing and proposal of a new computational model. Applied and Computational Mechanics, [S. l.], v. 19, n. 1, 2025. DOI: 10.24132/acm.2025.934. Disponível em: https://acm.kme.zcu.cz//article/view/934. Acesso em: 27 jul. 2025.