About this article
Published Online: Mar 28, 2019
Page range: 60 - 69
DOI: https://doi.org/10.2478/lpts-2019-0006
Keywords
© 2019 E. Klotins, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
Klotins, E.
Institute of Solid State Physics, University of LatviaRiga, Latvia