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\bibitem{Ladouche_etal2009} Ladouche, B., Luc, A., \& Nathalie, D. (2009). Chemical and isotopic investigation of rainwater in Southern France (1996{\textendash}2002): Potential use as input signal for karst functioning investigation. \textit{Journal of Hydrology}, \textit{367}(1-2), 150--164.

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