Authors
Elīna Račko
Institute of Energy Systems and Environment, Riga Technical University, Latvia
Dagnija Blumberga
Institute of Energy Systems and Environment, Riga Technical University, Latvia
Krišs Spalviņš
Institute of Energy Systems and Environment, Riga Technical University, Latvia
Eglė Marčiulaitienė
Research Institute of Environmental Protection, Vilnius Gediminas Technical University, Lithuania