AFEID Association Francaise pour l'Etude des Irrigations et du Drainage Cemagref Institut de Recherche pour l'Ingénierie de l'Agriculture et de l'Environnement CIHEAM Centre International des Hautes Etudes Agronomiques Méditerranéennes  E-mail discussion list on irrigation  Global Water Partnership Water Forum HR Wallingford ICIDInternational Commission for Irrigation and Drainage IDSInstitute of Development Studies ILRI International Institute for Land Reclamation and Improvement    IMTA Instituto Mexicano de Tecnologia del Agua IPTRID International Program for Technology Research in Irrigation and Drainage  IRRISOFT Database on Irrigation and Hydrology Software IWMI International Water Management Institute MicroIrrigation Forum Forum for drip, trickle and microspray irrigation systems USBR U.S. Department of the Interior, Bureau of Reclamation  UNESCOWater Portal University of Texas at Austin Water Balance of Africa  Virtual Library Irrigation maintained by the University of Kassel, Germany WEDCWater, Engineering and Development Centre, Loughborough University WCDWorld Commission on Dams WHYCOS World Hydrological Cycle Observing System