Čehajić, Adnan. “OSVRT NA PRELIMINARNA POJAVE KOLOTRAGA U ASFALTNIM SLOJEVIMA KOLOVOZNE KONSTRUKCIJE”. Put i saobracaj 64, no. 1 (May 11, 2018): 29-32. Accessed October 17, 2021. https://putisaobracaj.rs/index.php/PiS/article/view/11.