Authors
Kristiana Dolge
Institute of Energy Systems and Environment, Faculty of Natural Sciences and Technology, Riga Technical University, Riga, Latvia
Laura Kristiana Vicmane
Institute of Energy Systems and Environment, Faculty of Natural Sciences and Technology, Riga Technical University, Riga, Latvia
Girts Bohvalovs
Institute of Energy Systems and Environment, Faculty of Natural Sciences and Technology, Riga Technical University, Riga, Latvia
Dagnija Blumberga
Institute of Energy Systems and Environment, Faculty of Natural Sciences and Technology, Riga Technical University, Riga, Latvia