POP, Mariana, et al. “OPTIMIZATION OF TITANIUM NITRIDE FILM SYNTHESIS: CORRELATIONS BETWEEN THE STRUCTURE MICRO-HARDNESS AND DEPOSITION CONDITIONS”. Studia Universitatis Babeș-Bolyai Physica, vol. 63, no. 1-2, Dec. 2018, pp. 75-88, doi:10.24193/subbphys.2018.07.