NagyB., Ignéczi Ádám, Kovács-SzékelyI., Ruiz PereiraS., MihajlikG., FelkaiP. and MariL. 2023. The challenges of commercial mountaineering on the highest Volcanic Seven Summit, the Ojos del Salado. Hungarian Geographical Bulletin. 72, 1 (Apr. 2023), 23-40. DOI:https://doi.org/10.15201/hungeobull.72.1.2.