1. Crop evapotranspiration – guidelines for computing crop water requirements;Allen,1998
2. Water conservation questions and definitions from a hydrologic perspective;Allen;Int. Irrigat. Show,2003
3. AllenR. G.
WrightJ. L.
Conversion of Wright (1981) and Wright (1982) Alfalfa-Based Crop Coefficients for Use With the ASCE Standardized Penman-Monteith Reference Evapotranspiration Equation. December 2002. Kimberly, ID: University of Idaho2002
4. Evaluation of variable rate irrigation using a remote-sensing-based model;Barker;Agricult. Water Manage.