Behrensmeyer, A. K., N. E. Todd, R. Potts, G. E. McBrinn. 1997 . Late Pliocene faunal turnover in the Turkana Basin, Kenya and Ethiopia. Bower, B . 1997a. Ukrainian fossil sprouts modern roots. Bower, B. 1997b .
Early humans make their marks as hunters.
Bower, B. 1997c . Ancient human saunters into limelight. Bower, B. 1997d. Cave finds make point about early humans. Bower, B. 1998.