Authors
Beate Zlaugotne
Institute of Energy Systems and Environment, Riga Technical University, Riga, Latvia
Lauma Zihare
Institute of Energy Systems and Environment, Riga Technical University, Riga, Latvia
Lauma Balode
Institute of Energy Systems and Environment, Riga Technical University, Riga, Latvia
Antra Kalnbalkite
Institute of Energy Systems and Environment, Riga Technical University, Riga, Latvia
Institute of Energy Systems and Environment, Riga Technical University, Riga, Latvia