[1] Transilvania Univ Brasov, Fac Mech Engn, Dept Vehicles & Transportat, Eroilor 29, Brasov 500036, Romania
[2] Transilvania Univ Brasov, Fac Sociol & Commun, Dept Social Sci & Commun, Eroilor 29, Brasov 500036, Romania
[3] Transilvania Univ Brasov, Fac Elect Engn & Comp Sci, Dept Elect & Comp, Eroilor 29, Brasov 500036, Romania