About this article
Published Online: May 21, 2020
Page range: 10 - 24
DOI: https://doi.org/10.2478/hsy-2019-0002
Keywords
© 2019 Zoltán Néda, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Néda, Zoltán
Babeș-Bolyai University, Department of PhysicsCluj-Napoca