Coppens, Yves Earliest man and environment in the Lake Rudolf basin : stratigraphy, paleoecology, and evolution - Chicago : University of Chicago Press, 1976 - xxi, 615p. : ill. ; 24cm. Subjects--Topical Terms: Stone ageIndustriesLake Rudolf RegionGeologyPaleonthologyAntiquities LC Class. No.: GN65.K4E17