Early evidence of San material culture represented by organic artifacts from Border Cave, South Africa
Proceedings of the National Academy of Sciences - PNAS, 2012-08, Vol.109 (33), p.13214-13219 [Peer Reviewed Journal]copyright © 1993-2008 National Academy of Sciences of the United States of America ;Copyright National Academy of Sciences Aug 14, 2012 ;Distributed under a Creative Commons Attribution 4.0 International License ;ISSN: 0027-8424 ;EISSN: 1091-6490 ;DOI: 10.1073/pnas.1204213109 ;PMID: 22847420
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