Letter
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The following article is
Open access
Embodied phosphorus and the global connections of United States agriculture
Graham K MacDonald4,1, Elena M Bennett1,2 and Stephen R Carpenter3
Published 5 November 2012 •
© 2012 IOP Publishing Ltd
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Citation Graham K MacDonald et al 2012 Environ. Res. Lett. 7 044024
DOI 10.1088/1748-9326/7/4/044024
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