Authors
A. Vevers
Institute of Mechanical Engineering, Riga Technical University, Riga, Latvia
A. Kromanis
Institute of Mechanical Engineering, Riga Technical University, Riga, Latvia
E. Gerins
Institute of Mechanical Engineering, Riga Technical University, Riga, Latvia
J. Ozolins
Institute of Mechanical Engineering, Riga Technical University, Riga, Latvia