{"id":"crown2009cacao","DOI":"10.1073/pnas.0812817106","URL":"https://doi.org/10.1073/pnas.0812817106","type":"article-journal","title":"Evidence of cacao use in the Prehispanic American Southwest","author":[{"given":"Patricia L.","family":"Crown"},{"given":"W. Jeffrey","family":"Hurst"}],"issued":{"date-parts":[[2009]]},"year-text":"2009","container-title":"Proceedings of the National Academy of Sciences 106(7): 2110-2113","catalog-key":"SRC0D9KT53P03ZH"}