SMOCZYŃSKI, Piotr; GILL, Adrian; KADZIŃSKI, Adam. Maintenance layers for railway infrastructure in Poland. Transport, [S. l.], v. 35, n. 6, p. 605–615, 2020. DOI: 10.3846/transport.2020.14137. Disponível em: https://journals.vilniustech.lt/index.php/Transport/article/view/14137. Acesso em: 14 may. 2025.