Lack of linguistic support for Proto-Uto-Aztecan at 8900 BP.

Proc Natl Acad Sci U S A

Published: March 2010

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2841887PMC
http://dx.doi.org/10.1073/pnas.0914859107DOI Listing

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