Leaching, Physicochemical or geochemical

• Rango, T., Bianchini, G., Beccaluva, L., Tassinari, R., (2010), Geochemistry and water quality assessment of central Main Ethiopian Rift natural waters with emphasis on source and occurrence of fluoride and arsenic, Journal of African Earth Sciences, 57, 479-491, 10.1016/j.jafrearsci.2009.12.005

Physicochemical or geochemical

• Rango, T., Bianchini, G., Beccaluva, L., Ayenew, T., Colombani, N., (2009), Hydrogeochemical study in the Main Ethiopian Rift: new insights to the source and enrichment mechanism of fluoride, Environmental Geology, 58, 109-118, 10.1007/s00254-008-1498-3