M. . PĂSTRAV, A. M. . CHISNOIU, O. . PĂSTRAV, L. . SILAGHI DUMITRESCU, L.-C. SAROSI, and V. . TARMURE, “COMPARATIVE IN VITRO STUDY OF THE DIFFERENT ORTHODONTIC BRACKETS USING TWO ETCHING TECHNIQUES”, Studia UBB Chemia, vol. 62, no. 4, Tome I, pp. 201–209, Dec. 2017.