1. Sequence and geochronology of the Kenya rift volcanics;Baker;Tectonophysics,1971
2. Geology of the eastern Rift System of Africa;Baker;Geol. Soc. Am., Spec. Pap.,1972
3. Oligocene transitional-tholeiitic magmatism in northern Turkana (Kenya): comparison with the coeval Ethiopian volcanism;Bellieni,1980
4. Classification and nomenclature of basalts;Bellieni;IUGS Subcommission on the Systematics of Igneous Rocks, Circ. 34, Contrib.,1981
5. Petrochemistry of the volcanics in the northern part of the main Ethiopian Rift;Brotzu,1980