Authors
Róbert G. Zimányi
University of Physical Education, School of Doctoral Studies, 1112, Budapest, Hungary
Gábor Geczi
University of Physical Education, School of Doctoral Studies, 1112, Budapest, Hungary
© 2018 Róbert G. Zimányi, Gábor Geczi, published by Józef Piłsudski University of Physical Education in Warsaw
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.