Authors
Edgars Kavals
Institute of Energy Systems and Environment, Riga Technical University, Riga, Latvia
Julija Gusca
Institute of Energy Systems and Environment, Riga Technical University, Riga, Latvia
© 2021 Edgars Kavals, Julija Gusca, published by Riga Technical University
This work is licensed under the Creative Commons Attribution 4.0 License.