PHOTOSIEVING: DRONE IMAGING FOR GRAIN SIZE ANALYSIS OF SEDIMENTS: PHOTOSIEVING: SNÍMKOVANIE POMOCOU DRONOV PRE ANALÝZU VEĽKOSTI ZŔN SEDIMENTOV. geok. Published online January 21, 2025:38. Accessed July 15, 2026. https://journals.savba.sk/index.php/GeoKARTO/article/view/3056