Authors
Madara Treimane
Institute of Energy systems and Environment, Faculty of Natural Sciences and Technology, Riga Technical University, Riga, Latvia
Ance Ansone
Institute of Energy systems and Environment, Faculty of Natural Sciences and Technology, Riga Technical University, Riga, Latvia
Līga Rozentāle
Institute of Energy systems and Environment, Faculty of Natural Sciences and Technology, Riga Technical University, Riga, Latvia