BARABÁS, Réka, et al. “PREPARATION AND CHARACTERIZATION OF HYDROXYAPATITE BASED NANO-COMPOSITE BIOMORPHIC IMPLANTS”. Studia Universitatis Babeș-Bolyai Chemia, vol. 63, no. 3, Sept. 2018, pp. 137-54, doi:10.24193/subbchem.2018.3.11.