Sagaró, R., Carvajal, H., Ceballos, J. S., Cabrera, R., & Mascarell, J. (2001). Nd: Yag laser surface hardening for steels and cast iron. Revista De Metalurgia, 37(5), 607–615. https://doi.org/10.3989/revmetalm.2001.v37.i5.527