Authors
czifra.gyorgy@bgk.uni-obuda.hu
Obuda University, Donat Banki, Faculty of Mechanical and Safety Engineering, Budapest
czifra.gyorgy@bgk.uni-obuda.hu
© 2020 György Czifra, Zsolt Molnár, published by Slovak University of Technology in Bratislava
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.