Authors
I. Barmina
Institute of Physics, University of Latvia, 32 Miera Str.,, Salaspils, Latvia
R. Valdmanis
Institute of Physics, University of Latvia, 32 Miera Str.,, Salaspils, Latvia
© 2017 I. Barmina, R. Valdmanis, M. Zaķe, published by Institute of Physical Energetics
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.