Hon, Zdenek, Pavel Smrcka, Karel Hana, Jan Kaspar, Jan Muzik, Radek Fiala, Martin Viteznik, Tomas Vesely, Lukas Kucera, Tomas Kuttler, Radim Kliment, and Vaclav Navratil. 2015. “A Surveillance System for Enhancing the Safety of Rescue Teams”. Communications - Scientific Letters of the University of Zilina 17 (1), 81-86. http://journals.uniza.sk/index.php/communications/article/view/397.