Hofreiter, L., L. Maris, L. Lukac, L. Kister, and Z. Grzywna. “New Approaches to the Analysis of the Security Environment and Their Importance for Security Management”. Communications - Scientific Letters of the University of Zilina, Vol. 17, no. 1, Feb. 2015, pp. 99-104, http://journals.uniza.sk/index.php/communications/article/view/400.