1. Anon (June 1990) Time to ask serious questions about lawns and water, Sunset, 175–180.
2. Beecher, J.A. and Laubach, A.P. (1989) Compendium on Water Supply, Drought, and Conservation, National Regulatory Research Institute Report, NRRI
89–15, pp. 388.
3. Anon (1994) Warring Factions Coalesce, ENR 233, 21.
4. Anon (1997) Serious Water Shortage Could Hit California by 2020, Christian Science Monitor, 89, 13.
5. Quinn, N.W. (1991) Environmentally Sound Irrigated Agriculture in the Arid West: New Challenges for Water Resources Planners and Environmental Scientists, Proc Conf. Envir. Sound Ag., 9 pages.