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\bibitem{Koechy_etal2015} K{\"o}chy, M., Hiederer, R., \& Freibauer, A. (2015). Global distribution of soil organic carbon {\textendash} Part 1: Masses and frequency distributions of SOC stocks for the tropics, permafrost regions, wetlands, and the world. \textit{Soil}, \textit{1}, 351--365.

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