1. Bowen, B. E. 1974. The geology of the Upper Cenozoic sediments in the East Rudolf embayment of the Lake Rudolf basin, Kenya. PhD dissertation, Iowa State University, Ames.
2. Stratigraphical Relationships of the Plio-Pleistocene Deposits, East Rudolf, Kenya
3. Brown, F.H. , 1972. Radiometric dating of sedimentary formations in the lower Omo Valley, southern Ethiopia. In: Bishop, W.W. & Miller, J.A. (eds) Calibration of Hominoid Evolution. Scottish Academic Press, Edinburgh, 273–287.
4. Brown, F.H. , 1994. Development of Pliocene and Pleistocene chronology of the Turkana Basin, East Africa, and its relation to other sites. In: Ciochon, R. & Corruccini, R. (eds) Integrative Paths to the Past. Prentice Hall, Englewood Cliffs, NJ, 285–312.
5. Stratigraphical notes on the Okote Tuff Complex at Koobi Fora, Kenya