Nešković, Nemanja, and Goran Mladenović. “Methodologies for Assessing the Longitudinal Roughness of Airport Taxiways and Runways”. Journal of Road and Traffic Engineering 65, no. 1 (April 13, 2019): 1-11. Accessed October 6, 2022. https://putisaobracaj.rs/index.php/PiS/article/view/77.