A. Kerényi and G. Szabó, “Environmental pollution in a sample area of the North Hungarian Mountains”, Geog. Fis. Dinam. Quat., vol. 21, no. 1, pp. 27–32, Jun. 1998, Accessed: Jan. 12, 2026. [Online]. Available: https://www.gfdq.glaciologia.it/index.php/GFDQ/article/view/507