Wei, D., M. Li, X. Zhou, F. Li, S. Li, and P. Zhang. “Preparation of NiCr/YSZ Two-Layered Burn-Resistant Coating on γ-TiAl Alloys Based on Plasma Surface Metallurgy and Ion Plating Methods”. Journal of Mining and Metallurgy, Section B: Metallurgy, Vol. 57, no. 1, Jan. 2021, pp. 83-96, https://aseestant.ceon.rs/index.php/jmm/article/view/28233.