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\bibitem{Grau_etal2017} Grau, O., Pe{\~n}uelas, J., Ferry, B., Freycon, V., Blanc, L., Desprez, M., et al. (2017). Nutrient-cycling mechanisms other than the direct absorption from soil may control forest structure and dynamics in poor Amazonian soils. \textit{Sci. Rep.}, \textit{7}, 45017.

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