Published Online: May 22, 2017
Page range: 63 - 63
DOI: https://doi.org/10.1515/logos-2017-0008
© 2017 Józef Górski, published by De Gruyter Open
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Józef Górski
Poznań, Poland