1. Anyoji H; Wu I P (1994). Nominal distribution water application for drip irrigation schedules. Transactions of the ASAE, 37(1), 159–164
2. Bielorai H; Yaron D (1978). Methodology and empirical estimates of the response function of sorghum to irrigation and soil moisture. Water Resources Bulletin, 14(4), 966–977
3. Doorenbos J; Kassam A H (1979). Yield response to water. Irrigation and Drainage Paper No. 33. FAO, Rome, p 193
4. English M J; Musick J T; Murty N N V (1990). Deficit irrigation. In: Management of farm irrigation systems. (Hoffman G J; Howell T A; Solomon K H, eds) ASAE Monograph, pp 631–663, St. Joseph, MI
5. Ghahraman B; Sepaskhah A R (1991). Determining the optimum water reduction in irrigation planning (in Persian). Fourth Seminar on Irrigation and Evaporation Reduction. University of Kerman, I.R. Iran