Popescu, Razvan, Alfred Vespremeanu-Stroe, Olimpiu Pop, and Nicolae Cruceru. “Rock Glaciers Vegetation Colonization in Retezat Mountains: Implications for Morphodynamics and Palaeoclimate Reconstruction”. Revista de Geomorfologie 23, no. 1 (December 31, 2021): 73-89. Accessed August 11, 2022. https://revistadegeomorfologie.ro/geo/index.php/revista/article/view/142.