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Ján Kortiš
Department of Structural Mechanics, Faculty of Civil Engineering, University of Žilina, Univerzitná 8215/1, 010 26 Žilina
Michal Gottwald
Department of Structural Mechanics, Faculty of Civil Engineering, University of Žilina, Univerzitná 8215/1, 010 26 Žilina. 2 Research Centre, University of Žilina, Univerzitná 8215/1, 010 26 Žilina