Hidalgo-Signes, C., Garzón-Roca, J., Grima-Palop, J. M. and Insa-Franco, R. (2017) “Use of rubber shreds to enhance attenuation of railway sub-ballast layers made of unbound aggregates”, Materiales de Construcción, 67(326), p. e115. doi: 10.3989/mc.2017.00316.