Experience with sleeper substructure design for a speed of 200 kph according to the S4 standard. Acta Polytechnica CTU Proceedings, [S. l.], v. 43, p. 39–44, 2023. DOI: 10.14311/APP.2023.43.0039. Disponível em: https://ojs.cvut.cz/ojs/index.php/APP/article/view/9493. Acesso em: 11 apr. 2025.