%0 Journal Article
%A Negash, Agazi
%A Shackley, M. S.
%+ Department of Human Evolution, Max Planck Institute for Evolutionary Anthropology, Max Planck Society
%T Geochemical Provenance of Obsidian Artifacts from the MSA site of Porc Epic, Ethiopia : 
%G eng
%U https://hdl.handle.net/11858/00-001M-0000-0010-0063-3
%F EDOC: 254579
%D 2006
%J Archaeometry
%V 48
%N 1
%& 1
%P 1 - 12