Doctoral Dissertation Improvement: The Paleoecology of the Pleistocene Upper Busidima Formation, Gona, EthiopiaToth, NicholasNational Science Foundation (NSF), Directorate for Social, Behavioral & Economic Sciences, Division of Behavioral and Cognitive Sciences (ID: 0525135), $4,400USD, 07/01/2005 -- 09/30/2006