1. The use of the aridity index to assess climate change effect on annual runoff;Arora;J. Hydrol.,2002
2. Notice de la carte du ruissellement annuel moyen en Tunisie, Etudes Hydraulique et Hydrologie, Série I, Fascicule 7, Ministère des Travaux Publics du Royaume de Tunisie, Tunis;Berkaloff,1958
3. Redressing the balance: quantifying net intercatchment groundwater flows;Bouaziz;Hydrol. Earth Syst. Sci.,2018
4. Evaporation Under Natural Conditions. Gidrometeorizdat, Leningrad. English translation by IPST, Jerusalem;Budyko,1948
5. Climate and Life;Budyko,1974