Authors
N. Bulaha
Institute of Mechanical Engineering, Riga Technical University, Riga, Latvia
J. Lungevics
Institute of Mechanical Engineering, Riga Technical University, Riga, Latvia
O. Linins
Institute of Mechanical Engineering, Riga Technical University, Riga, Latvia
K. Berzins
Institute of Mechanical Engineering, Riga Technical University, Riga, Latvia