Authors
Cosmin Preda
Lucian Blaga University of Sibiu, Department of Machines and Industrial Equipment, Sibiu, Romania
Robert-Marian Bleotu
Lucian Blaga University of Sibiu, Department of Machines and Industrial Equipment, Sibiu, Romania
Alexandru Mihai Pinca-Bretotean
Politehnica University of Timișoara, Engineering and Management Department, Hunedoara, Romania