Tobak, Zalán, József Szatmári, and Boudewijn van Leeuwen. “Small Format Aerial Photography: Remote Sensing Data Acquisition For Environmental Analysis”. Journal of Environmental Geography 1, no. 3-4 (July 1, 2008): 21–26. Accessed December 20, 2024. https://ojs.bibl.u-szeged.hu/index.php/jengeo/article/view/43861.