1. Adachi M. Yairi K. (1975) 1st Prelim. Rep. Afr. Studies, Nagoya Univ, Preliminary report on the carbonatitic clasts in Tertiary sediments from the eastern Kavirondo Rift Valley, Kenya, pp 26–28.
2. Binge F. W. (1962) Geology of the Kericho Area. Rep. Geol. Surv. Kenya 50.
3. Bishop W. W. (1963) in African Ecology and Human Evolution, The later Tertiary and Pleistocene in eastern equatorial Africa, eds Howell F. C. Bourliere F. (Viking Fund Publications in Anthropology, No. 36, Chicago), pp 246–75.
4. The evolution of fossil environments in East Africa;Bishop;Trans Leicester Lit Phil Soc,1968
5. New potassium-argon age determinations relevant to the Miocene fossil mammal sequence in East Africa;Bishop;Am. J. Sci,1969