Zhengang, Y., L. Wenping, J. Yanlin, M. Qiang, D. Zheng, and Q. Yan. “Corrosion Behavior of the Copperized Layer Prepared by Double Glow Plasma Surface Alloying Technology in 3.5 wt.% NaCl Solution”. Journal of Mining and Metallurgy, Section B: Metallurgy, Vol. 56, no. 2, Sept. 2020, pp. 257-68, https://aseestant.ceon.rs/index.php/jmm/article/view/23703.