The evolutionary origin and population history of the grauer gorilla Daniela C. Kalthoff , Amandine B. Eriksen et al. • 2016
Symbolic Use of Terrestrial Gastropod Opercula during the Middle Stone Age at Porc‐Epic Cave, Ethiopia Henk K. Mienis, Zelalem Assefa, Y.M. Lam • 2008
Paleoanthropology of the Kibish Formation, southern Ethiopia: Introduction Zelalem Assefa, F.H. Brown, J.G. Fleagle, J.J. Shea • 2008
Faunal remains from Porc-Epic: Paleoecological and zooarchaeological investigations from a Middle Stone Age site in southeastern Ethiopia Zelalem Assefa • 2006
The Analysis of Cutmarks on Archaeofauna: A Review and Critique of Quantification Procedures, and a New Image-Analysis GIS Approach Elizabeth C. Stone, Peter J. Nilssen, Zelalem Assefa, Y. Abe, C.W. Marean • 2002
Late PlioceneHomoand Oldowan Tools from the Hadar Formation (Kada Hadar Member), Ethiopia P.E. Smith, N.M. Evensen, D. York, C. Vondra, Robert C. Walter, James L. Aronson, Tilahun Yemane, G.G. Eck, Zelalem Assefa, Kaye E. Reed, Erella Hovers, Y. Rak, Donald C. Johanson, William H. Kimbel, Y. Chen, R. Bobe, C.W. Marean • 1996