Berakhi, Ogbaghebriel, and Ludovico Brancaccio. “Some Reflections of the Origin and Land Use of Pediments on Ethiopians Highlands”. Geografia Fisica e Dinamica Quaternaria 16, no. 2 (December 31, 1993): 101–106. Accessed October 7, 2025. https://www.gfdq.glaciologia.it/index.php/GFDQ/article/view/691.