Authors
Saulius Vasarevičius
Vilnius Gediminas Technical University, Lithuania
Dace Lauka
Riga Technical University, Latvia
© 2020 Zamira Kazizova, Saulius Vasarevičius, Dace Lauka, published by Riga Technical University
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.