Authors
Anna Kubule
Institute of Energy Systems and Environment, Riga Technical University, Riga, Latvia
Kaspars Klavenieks
Institute of Energy Systems and Environment, Riga Technical University, Riga, Latvia
Rudite Vesere
Institute of Energy Systems and Environment, Riga Technical University, Riga, Latvia
Dagnija Blumberga
Institute of Energy Systems and Environment, Riga Technical University, Riga, Latvia