Mucka, Peter, George Juraj Stein, and Peter Tobolka. 2019. “Errata: Communications - Scientific Letters of the University of Zilina, 21(1), 2019, Passsenger Ride Comfort and International Roughness Index Specifications in the Slovak Republic, P. 15-22.”. Communications - Scientific Letters of the University of Zilina 21 (2), 119-20. http://journals.uniza.sk/index.php/communications/article/view/1477.