FISCHER, Szabolcs. Breakage Test of Railway Ballast Materials with New Laboratory Method. Periodica Polytechnica Civil Engineering, [S. l.], v. 61, n. 4, p. 794–802, 2017. 10.3311/PPci.8549. Disponível em: https://pp.bme.hu/ci/article/view/8549. Acesso em: 26 apr. 2024.