Beroun, Stanislav, Ladislav Bartonicek, Josef Laurin, Lubomir Moc, and Celestyn Scholz. 2001. “Scientific-Research Activity of the Department of Transport Machines, Faculty of Mechanical Engineering –Technical University of Liberec at The Field of the Vehicles Engines”. Communications - Scientific Letters of the University of Zilina 3 (1), 98-102. http://journals.uniza.sk/index.php/communications/article/view/1432.