Agricultural origins in North China pushed back to the Pleistocene-Holocene boundary.

Proc Natl Acad Sci U S A

Department of Anthropology, University of Toronto Mississauga, 3359 Mississauga Road, Mississauga, ON, Canada L5L 1C6.

Published: May 2009

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2678596PMC
http://dx.doi.org/10.1073/pnas.0903375106DOI Listing

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