1. Abebe, T., Manetti, P., Bonini, M., Corti, G., Innocenti, F., Mazzarini, F., 2005. Geological Map of the Northern Main Ethiopian Rift, Scale 1:200,000. The Geological Society of America, Boulder, Colorado.
2. Ayalew, E., 2009. Growing lake with growing problems: integrated hydrogeological investigation on Lake Beseka, Ethiopia. PhD Thesis. Rheinische Friedrich-Wilhelms-Universität Bonn, Germany.
3. Source, genesis and timing of giant ignimbrite deposits associated with Ethiopian continental flood basalts;Ayalew;Geochim. Cosmochim. Acta,2002
4. The distribution and hydrogeological controls of fluoride in the groundwater of central Ethiopian rift and adjacent highlands;Ayenew;Environ. Geol.,2008
5. Environmental isotopes and hydrochemical study applied to surface water and groundwater interaction in the Awash River basin;Ayenew;Hydrol. Process.,2008