Authors
Genadijs Sahmenko
Institute of Materials and Structures, Riga Technical University, Riga, Latvia
Maris Sinka
Institute of Materials and Structures, Riga Technical University, Riga, Latvia
Eva Namsone
Institute of Materials and Structures, Riga Technical University, Riga, Latvia
Aleksandrs Korjakins
Institute of Materials and Structures, Riga Technical University, Riga, Latvia
Diana Bajare
Institute of Materials and Structures, Riga Technical University, Riga, Latvia