Kropáček, Jan, Calogero Schillaci, Riccardo Salvini, and Michael Märker. “Assessment of Gully Erosion in the Upper Awash, Central Ethiopian Highlands Based on a Comparison of Archived Aerial Photographs and Very High Resolution Satellite Images”. Geografia Fisica e Dinamica Quaternaria 39, no. 2 (December 31, 2016): 161–170. Accessed December 22, 2024. https://www.gfdq.glaciologia.it/index.php/GFDQ/article/view/114.