„PROJECTS SUPPORTED BY STRUCTURAL FUNDS OF EU REALIZED AT UNIVERSITY OF ŽILINA IN COOPERATION WITH AIR TRANSPORT DEPARTMENT AND FLIGHT TRAINING ORGANIZATION – AIR SCHOOL OF THE UNIVERSITY OF ŽILINA". 2011. Perner’s Contacts 6 (4): 265-70. https://ojs-demo.upce.cz/index.php/perner/article/view/920.