1. Allen, R.G., Pereira, L.S., Raes, D., Smith, M., 1998. Crop evapotranspiration – guidelines for computing crop water requirements – FAO Irrigation and Drainge Paper 56. FAO, 1998. ISBN 92-5-104219-5.
2. Blaney, H.F., Criddle, W.D., 1950. Determining water requirements in irrigated area from climatological irrigation data. US Department of Agriculture, Soil Conservation Service Technical Paper No. 96, p. 48.
3. Hydrologic cycle explains the evaporation paradox
4. Physical Hydrology;Dingman,1994
5. Dyck, S., 1983. Overview on the present status of the concepts of water balance models. In: Van der Beken, A., Herrmann, A. (Eds.)., New Approaches in Water Balance Computations (Proceedings of the Hamburg Workshop), IAHS Publication No. 148, p. 3–19.