The Earliest Archaeological Maize (Zea mays L.) from Highland Mexico: New Accelerator Mass Spectrometry Dates and Their Implications

Piperno, D. R. ; Flannery, K. V.

Proceedings of the National Academy of Sciences - PNAS, 2001-02, Vol.98 (4), p.2101-2103 [Periódico revisado por pares]

United States: National Academy of Sciences

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