1. Allen RG, Pereira LS, Smith M (1998) Crop evapotranspiration—guidelines for computing crop water requirements—FAO Irrigation and Drainage paper 56. Food and Agriculture Organization of the United Nations, Rome
2. Christensen JH, Hewitson B, Busuioc A, Chen A, Gao X, Held I, Jones R, Kolli RK, Kwon W-T, Laprise R, Magaña Rueda V, Mearns L, Menéndez CG, Räisänen J, Rinke A, Sarr A, Whetton P (2007) Regional climate projections. In: Solomon S, Qin D, Manning M, Chen Z, Marquis M, Averyt KB, Tignor M, Miller HL (eds) Climate Change 2007: the physical science basis. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change. Cambridge University Press, Cambridge
3. El-Fadel M, Bou-Zeid E (2001) Climate change and water resources in the Middle East: vulnerability, socio-economic impacts, and adaptation. The Fondazione Eni Enrico Mattei Note di Lavoro Series Index: http://www.feem.it/web/activ/_activ.html
4. FAO (1998) CropWat for Windows version: users guide. Food and Agriculture Organization: http://www.fao.org/nr/water/infores_databases_cropwat.html
5. Iglesias A, Garrote L, Flores F, Moneo M (2007) Challenges to manage the risk of water and climate change in the Mediterranean. Water Resour Manage 21:775–788 doi: 10.1007/s11269-006-9111-6