Kaszala, R. and Bárány Kevei, I. 2015. Heavy metal concentracions in the soils and vegetation of the Béke-cave watershed (Aggtelek-karst, Hungary). Acta Geographica Debrecina Landscape & Environment series. 9, 2 (Dec. 2015), 51–58. DOI:https://doi.org/10.21120/LE/9/2/1.