Online veröffentlicht: 11. Jan. 2018
Seitenbereich: 461 - 463
DOI: https://doi.org/10.1515/ress-2017-0033
© 2017 Adrian Stoia, published by De Gruyter Open
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Adrian Stoia
Lucian Blaga University of Sibiu,
Sibiu, Romania