Geological background to fossil man : recent research in the Gregory Rift Valley, East Africa

Edinburgh : Scottish Academic Press, 1978.
Umfang/Format: IX, 585 S. : zahlr. Ill., Kt., Faltkt. ; 1 farb. Faltkt.

Background to evolution in Africa : [Systematic Investigation of the African Later Tertiary and Quaternary; proceedings of the symposium held at Burg Wartenstein, Austria, July - A...

Chicago, Ill. , London : University of Chicago Press, 1981.
Umfang/Format: X, 935 S.: zahlr. Ill. u. Tab. (z.T. gef.).