Jones, G. (1990). Groundwater monitoring and management: Proceedings of the symposium held at Dresden, German Democratic Republic (GDR) in March 1987. Wallingford: International Association of Hydrological Sciences.
Παραπομπή Chicago StyleJones, G.P. Groundwater Monitoring and Management: Proceedings of the Symposium Held At Dresden, German Democratic Republic (GDR) in March 1987. Wallingford: International Association of Hydrological Sciences, 1990.
Παραπομπή MLAJones, G.P. Groundwater Monitoring and Management: Proceedings of the Symposium Held At Dresden, German Democratic Republic (GDR) in March 1987. Wallingford: International Association of Hydrological Sciences, 1990.
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