Authors
M. Gavars
Riga Technical University, Faculty of Mechanical Engineering, Transport and Aeronautics, Riga, Latvia
J. Rudnevs
Riga Technical University, Faculty of Mechanical Engineering, Transport and Aeronautics, Riga, Latvia
G. Tribis
Riga Technical University, Faculty of Mechanical Engineering, Transport and Aeronautics, Riga, Latvia
Latvia
M. Danieks
Latvia