Authors
Ieva Pakere
Institute of Energy Systems and Environment, Riga Technical University, Riga, Latvia
Dace Lauka
Institute of Energy Systems and Environment, Riga Technical University, Riga, Latvia
Kristiāna Dolge
Institute of Energy Systems and Environment, Riga Technical University, Riga, Latvia
Valdis Vitolins
Institute of Energy Systems and Environment, Riga Technical University, Riga, Latvia
Ilze Polikarpova
Institute of Energy Systems and Environment, Riga Technical University, Riga, Latvia
Stefan Holler
HAWK Hildesheim/Holzminden/Göttingen University of Applied Sciences and Arts, Germany
Institute of Energy Systems and Environment, Riga Technical University, Riga, Latvia