TOMA, M., LUNG, C., MARCONI, D. and POP, A. 2018. STRUCTURAL AND OPTICAL CHARACTERIZATION OF ZnO FILMS DOPED WITH Ni. Studia Universitatis Babeș-Bolyai Physica. 63, 1-2 (Dec. 2018), 89–99. DOI:https://doi.org/10.24193/subbphys.2018.08.