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Peter Kolarovszki
University of Zilina, Faculty of Operation and Economics of Transport and Communications Department of Communications Univerzitná str. 1, 01026, Žilina, Slovakia Phone: (+421) 908227492.
Juraj Vaculík
University of Zilina, Faculty of Operation and Economics of Transport and Communications Department of Communications Univerzitná str. 1, 01026, Žilina, Slovakia Phone: (+421) 908227492.