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Sahuquillo, A., Andreu, J. & O'Donnell, T., 1989. Groundwater management : quantity and quality : proceedings of the symposium held at Benidorm, Spain, 2-5 October 1989, (IAHS Publication no. 188) Wallingford, UK: IAHS Press, Institute of Hydrology. Available at: https://fr.ircwash.org/sites/default/files/Sahuquillo-1989-Grondwater.pdf.