1. Volcanites of Ethiopian and Somali Plateaus and major tectonic lines;Abbate;Atti Convegno dei Lincei,1980
2. The Yerer-Tullu Wellel volcanotectonic lineament: a transtentional structure in central Ethiopia and the associated magmatic activity;Abebe;J. Afr. Earth Sci.,1998
3. Berhe , S.M. 1978 Geological map (1:250′000) sheet NC37-15 (Nazret)
4. Bigazzi , G. Bonadonna , F.P. Di Paola , G.M. Giuliani , A. 1993 K-Ar and fission-track ages of the last volcano-tectonic phase in the Ethiopian Rift Valley (Tullu Moye area) 311 322