Tertiary Pongidae of East Africa evolutionary relationships and taxonomy - Pilbeam, David R. (New Haven Peabody Museum of Natural History, Yale University, 1969)
Summaries in English, German, and Russian.
Bibliography: p. 135-138.
Keywords: Apes, Fossil; Human beings -- Origin; Paleontology -- Tertiary; Paleontology -- Kenya; Paleontology -- Uganda