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\bibitem{Luyssaert_etal2007} Luyssaert, S., Inglima, I., Jung, M., Richardson, A. D., Reichsteins, M., Papale, D., et al. (2007). CO2 balance of boreal, temperate, and tropical forests derived from a global database. \textit{Glob. Change Biol.}, \textit{13}(12), 2509--2537.

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