Kertész, Ádám. “Report on the 6th International Congress of the European Society for Soil Conservation (ESSC) : Thessaloniki, Greece, 9-14 May 2011”. Hungarian Geographical Bulletin 60, no. 3 (October 9, 2011): 311–314. Accessed October 30, 2026. https://ojs.mtak.hu/index.php/hungeobull/article/view/3062.