TOMA, M. .; MARCONI, D. .; LUNG, C. .; PONTA, O. .; POP, A. . STRUCTURAL, MORPHOLOGICAL AND OPTICAL PROPERTIES OF RE-DOPED AZO THIN FILMS (RE=Nd, Gd, Er) GROWN BY RF MAGNETRON SPUTTERING. Studia UBB Chemia 2015, 60, 71-80.