Subotić, Marko Miladin, and Vladan Jevđen Tubić. “Car Equivalents Dependence on the Longitudinal Road Gradient on Two-Lane Roads in Bosnia and Herzegovina”. Promet - Traffic&Transportation 29, no. 4 (September 1, 2017): 401-409. Accessed November 21, 2024. https://traffic.fpz.hr/index.php/PROMTT/article/view/2226.