Julge K, Ellmann A, Köök R. Unmanned Aerial Vehicle Surveying For Monitoring Road Construction Earthworks. BJRBE [Internet]. 2019 Mar. 28 [cited 2024 May 3];14(1):1-17. Available from: https://bjrbe-journals.rtu.lv/bjrbe/article/view/bjrbe.2019-14.430