Published Online: Sep 13, 2019
Page range: 185 - 185
DOI: https://doi.org/10.2478/logos-2019-0019
© 2019 Artur Radecki-Pawlik, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Artur Radecki-Pawlik
Cracow University of Technology,
Kraków, Poland