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\bibitem{Schimann_etal2007} Schimann, H., Joffre, R., Roggy, J. C., Lensi, R., \& Domenach, A. M. (2007). Evaluation of the recovery of microbial functions during soil restoration using near-infrared spectroscopy. \textit{Appl. Soil Ecol.}, \textit{37}(3), 223--232.

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