Štrumberger, Nada, Vjekoslav Koljatić, and Natalija Maletić. “Influence of Ecological Requirements on the Choice of Equipment for Treatment of Hot Gases Emissions . ”. Promet - Traffic&Transportation 12, no. 1 (1): 19-22. Accessed May 29, 2020. http://traffic.fpz.hr/index.php/PROMTT/article/view/731.