Milinkovic, S., S. Veskovic, B. Mitrovic, Z. Dordevic, and P. Marton. “A Site Selection Model for Wayside Train Monitoring Systems at Serbian Railways”. Communications - Scientific Letters of the University of Zilina, Vol. 17, no. 2, May 2015, pp. 49-54, http://journals.uniza.sk/index.php/communications/article/view/428.