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2. Nature of clinopyroxene and iron enrichment in alkalic and transitional basaltic magmas;Barberi;Contributions to Mineralogy and Petrology,1971
3. A transitional basalt-pantellerite sequence of fractional crystallization, the Boina center (Afar Rift, Ethiopia);Barberi;Journal of Petrology,1975
4. Oligocene transitional tholeiitic magmatism in northern Turkana (Kenya): comparison with the coeval Ethiopian volcanism;Bellieni;Bulletin of Volcanology,1981
5. High- and low-TiO2 flood basalts from the Paraná plateau (Brazil): petrology and geochemical aspects bearing on their mantle origin;Bellieni;Neues Jahrbuch Mineralogische Abhandlungen,1984