5Allen RG,Pereira LS,Raes D,et al.1998.Crop evapotranspi-ration guidelines for computing crop water requirements.FAO Irrigation and Drainage Paper 56.Food and Agricul-ture Organization of the United Nations,Rome,Italy.
6Bouchet RJ.1963.Evapotranspiration reele et potentielle,sig-nification climatique.International Association of Hydrolog-ical Sciences,62:134-142.
9Chattopadhyay N,Hulme M.1997.Evaporation and potentialevapotranspiration in India under conditions of recent andfuture climate change.Agricultural and Forest Meteorology,87:55-74.
10Cohen S,Ianetz A,Stanhill G.2002.Evaporative climatechanges at Bet Dagan,Israel,1964-1998.Agriculturaland Forest Meteorology,111:83-91.
