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Wetland fields as mirrors of drought and the Maya abandonment.
Luzzadder-Beach S, Beach TP, Dunning NP. Luzzadder-Beach S, et al. Proc Natl Acad Sci U S A. 2012 Mar 6;109(10):3646-51. doi: 10.1073/pnas.1114919109. Epub 2012 Feb 27. Proc Natl Acad Sci U S A. 2012. PMID: 22371605 Free PMC article.
Kax and kol: collapse and resilience in lowland Maya civilization.
Dunning NP, Beach TP, Luzzadder-Beach S. Dunning NP, et al. Among authors: luzzadder beach s. Proc Natl Acad Sci U S A. 2012 Mar 6;109(10):3652-7. doi: 10.1073/pnas.1114838109. Epub 2012 Feb 27. Proc Natl Acad Sci U S A. 2012. PMID: 22371571 Free PMC article.