Kropáček, J. et al. 2016. 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, 2 (Dec. 2016), 161–170. DOI:https://doi.org/10.4461/GFDQ.2016.39.15.