Angyal, Zsuzsanna, Mária Szabó, and Dávid Karátson. “Odd Landscape Elements: Slag Heaps in the Region of Salgótarján (North Hungary)”. JOURNAL OF LANDSCAPE ECOLOGY 2, no. 2 (December 27, 2004): 287–303. Accessed December 15, 2025. https://journal.uni-mate.hu/index.php/tl/article/view/4601.