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Updation for reference 57

Posted by diplura on 03 Aug 2007 at 22:53 GMT

[57].
http://plosone.org/article/info:doi/10.1371/journal.pone.0000681#article1.body1.sec4.p3

Revise "J Archaeol Sci; in press" as "J Archaeol Sci 34: 1361-1366"