%0 Journal Article %A Negash, Agazi %A Alene, Mulugete %A Brown, F. H. %A Nash, B. P. %A Shackley, M. S. %+ Department of Human Evolution, Max Planck Institute for Evolutionary Anthropology, Max Planck Society %T Geochemical sources for the terminal Pleistocene/early Holocene obsidian artifacts of the site of Beseka, central Ethiopia : %G eng %U https://hdl.handle.net/11858/00-001M-0000-000F-FFB4-0 %F EDOC: 334294 %R 10.1016/j.jas.2006.10.010 %D 2007 %J Journal of Archaeological Science %V 34 %N 8 %& 1205 %P 1205 - 1210