Eugenio Zoppis
- (2009): Bridge repair by external prestress: the Gibe crossing in Ethiopia. Vorgetragen bei: IABSE Symposium: Sustainable Infrastructure - Environment Friendly, Safe and Resource Efficient, Bangkok, Thailand, 9-11 September 2009.
- Hydroelectric Project Gilgel Gibe in Ethiopia. In: Felsbau, v. 24, n. 1 ( 2006). (2006):