1. Assessing integrity of weather data for use in reference evapotranspiration estimation;Allen;J. Irrigat. Drain. Eng., ASCE,1996
2. ASCE EWRI, 2005. The ASCE Standardized Reference Evapotranspiration Equation. Environmental and Water Resources Institute (EWRI) of the American Society of Civil Engineers Task Committee on Standardization of Reference Evapotranspiration Calculation, ASCE, Washington, DC, p. 190. http://www.kimberly.uidaho.edu/water/asceewri/.
3. Boes, E.C., 1981. Fundamentals of solar radiation. In: Kreider, J.F., Kreith, F. (Ed.), Solar Energy Handbook. p. 2-1-2-78 (Chapter 2).
4. Evaporation into the Atmosphere;Brutsaert,1982
5. The average distribution of solar radiation correlations between diffuse and hemispherical and between daily and hourly insolation values;Collares-Pereira;Solar Energy,1979