A geochemical reconnaissance of the Alid volcanic center and geothermal system, Danakil depression, Eritrea - Lowenstern, J.; Janik, C.; Fournier, R.O.; Tesfai, T.; Duffield, W.; Clynne, M.A.; Smith, James G.; Woldegiorgis, L.; Weldemariam, K.; Kahsai, G. (Geothermics, 1999)