Réquiz, R., N. Vera, and S. Camero. “The Influence of Surface Roughness on the Hydrogen Permeation of Type API 5L-X52 Steel”. Revista de Metalurgia 40, no. 1 (February 28, 2004): 30–38. Accessed May 2, 2024. https://revistademetalurgia.revistas.csic.es/index.php/revistademetalurgia/article/view/240.