Porras-Arévalo, G.O., Franco-Blanco, L.C., Gómez-Moreno, O.J. and Quinto, D.E. 2005. Metallographic identification of phases in a welded joint of microalloyed structural steel and influence in the fracture mechanism. Revista de Metalurgia. 41, Extra (Dec. 2005), 137–142. DOI:https://doi.org/10.3989/revmetalm.2005.v41.iExtra.1013.