Sagaro, R., J. S. Ceballos, J. Mascarell, and A. Blanco. “Tribological Behaviour of Line Hardening of Steel U13A With Nd: YAG Laser”. Revista de Metalurgia 35, no. 3 (June 30, 1999): 166–172. Accessed May 3, 2024. https://revistademetalurgia.revistas.csic.es/index.php/revistademetalurgia/article/view/620.