1. Bonnefille, R., Robert, C., Delibrias, G., Elenga, C., Herbin, J.P., Lézine, A.M., Perinet, G., Tiercelin, J.J. (1986) Paleoenvironement of Lake Abijata, Ethiopia during the past 2000 years. In: L. Frostick et al. (eds.), Sedimentations in the African Rifts. Geol. Soc. London Spec. Publ. 25, 253 - 265.
2. Baxter, R.M., Posser, M.V., Tailing, J.F., and Wood, R.B. (1965) Stratification in tropical African Lakes at moderate altitudes (1,500 to 2000m)- Limnol. Oceanogr. 10, 510 - 520.
3. Daley, R.J., Brown, S.R. and McNeely, R.N. (1977) Chromatographic and SCDP measurements of fossil phorbins and the postglacial history of Little Round Lake, Ontario. Limnology and Oceanography
22, 349 - 360.
4. Freshwater Bio;DR Engstrom,1985
5. Gasse, F. (1987) Ethiopie et République de Djibouti. Directory/Répertoir, in M.J. Burgis, and J.J. Symoens (eds.) African Wetlands and Shallow Water Bodies/ Zones Humides et Lacs Peu Profonds d'Afrique. ORSTOME. 300 - 331.