Authors
Beate Zlaugotne
Institute of Energy Systems and Environment, Riga Technical University, Riga, Latvia
Anda Zandberga
Institute of Energy Systems and Environment, Riga Technical University, Riga, Latvia
Julija Gusca
Institute of Energy Systems and Environment, Riga Technical University, Riga, Latvia
Silvija Nora Kalnins
Institute of Energy Systems and Environment, Riga Technical University, Riga, Latvia