Coltorti, M.; Cinque, A.; Fubelli, G.; Dramis, F.; Abebe, B.; Asrat, A. Late Holocene Environmental Changes and Present-Day Geomorphic Processes in the Wurgo Catchment (Wollo, Ethiopia). Geog. Fis. Dinam. Quat. 2009, 32 (2), 129-134.