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\bibitem{Popp_etal2014} Popp, A., Humpen{\"o}der, F., Weindl, I., Bodirsky, B. L., Bonsch, M., Lotze-Campen, H., et al. (2014). Land-use protection for climate change mitigation. \textit{Nat. Clim. Change}, \textit{4}(12), 1095--1098.

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