Montero, J., A. García, A. Varela, S. Zaragoza, R. Artiaga, and J. L. Mier. 2008. “A Study on the Welded Joins for Pipelines”. Revista De Metalurgia 44 (2):170-75. https://doi.org/10.3989/revmetalm.2008.v44.i2.105.