González-Bravo, C., Arriaga-Martitegui, F., Maldonado-Ramos, L. and Díez-Barra, R. (2010) “Bending reinforcement of timber beams with steel cross sections on the upper face”, Materiales de Construcción, 60(298), pp. 123–135. doi: 10.3989/mc.2010.47408.