FOR FURTHER READING:
Pfeiffer, J.E.,
The Emergence of Humankind, 4th ed. (New York, Harper & Row,
1985);
Semaw, S.,
Renne, P.,
Harris, J.W.K.,
Feibel, C.S.,
Bernor, R.L.,
Fesseha, N., and
Mowbray, K., “2.5-Million-Year-Old Stone Tools from Gona, Ethiopia,” Nature 385 (January 23) (1997),
333–36;
Wood, B., “The Oldest Whodunit in the World,” Nature 385 (January 23) (
1997)
292–93.
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