1 Afzal, J.; Noble, D. H.; Weatherhead, E. K. 1992. Optimization model for alternative use of different quality irrigation waters. Journal of Irrigation and Drainage Engineering, 118(2):218-228.
Also published in Water Resources Journal, Sept. 1992 (pp.67-74)
2 Upcraft, M. J.; Noble, D. H.; Carr, M. K. V. 1996. An heuristic algorithm for short term irrigation scheduling using hosereel- raingun systems. Irrigation Science, 16(4):141-147.