1. The geology of Sudan;Andrew,1948
2. Structure and evolution of the Kenya Rift Valley;Baker;Nature,1971
3. The geology of the Eastern Rift System of Africa;Baker;Geol. Soc. Am., Spec. Publ.,1972
4. The isostatic compensation of East Africa;Banks,1978
5. Deep seismic soundings in the Afar region and on the Highland of Ethiopia;Berckhemer,1975