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1.- Gourd and squash artifacts yield starch grains of feasting foods from preceramic Peru National Academy of Sciences; Washington, DC; USA; United States, 2009 Ver registro
2.- Paleoenvironmental evidence from estuarine sediment cores, coastal Ecuador Association of American Geographers; Washington, DC; USA; United States, 2009 Association of American Geographers 2009 annual meeting; abstracts Ver registro
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