Authors
Wiesław Chwała
Department of Biomechanics, University of Physical Education in Krakow, Kraków, Poland
Paweł Pogwizd
Research and Development Department of Vitberg, Nowy Sącz, Poland
© 2021 Wiesław Chwała, Paweł Pogwizd, published by Wroclaw University of Science and Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.