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Gun, J.A.M. van der

van der Gun, J.A.M., 1993. Water resources assessment Yemen, phase 4 (WRAY-4) : mission report, 17-25 January and 9-11 February 1993, Delft, The Netherlands: TNO Institute for Applied Geoscience. Available at: https://es.ircwash.org/sites/default/files/823-YE93-10728.pdf.

Fecha publicación: 31/12/2004

van der Gun, J.A.M. & Kruseman, G.P., 1992. Sustainable groundwater development : the challenge for the hydrogeologist in the 1990's. , pp.p. 190-201 : 10 fig., 2 tab. Available at: https://es.ircwash.org/sites/default/files/210-92SU-11589.pdf.

Fecha publicación: 30/12/2004

Not long ago the main challenge for hydrogeologists was the exploration for groundwater, but over the last decades serious concern has been raised...

van der Gun, J.A.M., 1991. Water resources assessment Yemen, phase 4 (WRAY-4) : mission report, 29 October - 19 November 1991, Delft, The Netherlands: TNO Institute for Applied Geoscience. Available at: https://es.ircwash.org/sites/default/files/823-YE91-9176.pdf.

Fecha publicación: 29/12/2004

Danikh, M. et al., 1985. Water resources of the Sadah area : technical annexes, Delft, The Netherlands: TNO-DGV, Groundwater Survey.

Fecha publicación: 29/12/2004

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