About this article
Published Online: Dec 31, 2018
Page range: 137 - 157
Received: Feb 23, 2018
DOI: https://doi.org/10.2478/ausi-2018-0008
Keywords
© 2018 Sándor Szabó, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Szabó, Sándor
University of PécsPécs, Hungary