Težak, Sergej, Ratko Zelenika, and Drago Sever. “Model of Sustainable Growth and Development of the Cableway Transport System in Slovenia”. Promet - Traffic&Transportation 23, no. 4 (January 25, 2012): 253–264. Accessed August 27, 2025. https://traffic2.fpz.hr/index.php/PROMTT/article/view/1394.