j sheffield et al. nature 491 , 435-438 (2012) doi:10.1038/nature11575
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Trends in the PDSI and PE. J Sheffield et al. Nature 491 , 435-438 (2012) doi:10.1038/nature11575. - PowerPoint PPT PresentationTRANSCRIPT
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J Sheffield et al. Nature 491, 435-438 (2012) doi:10.1038/nature11575
Trends in the PDSI and PE.