1. Anderson , T. W. N. D. White Statistical summaries of Arizona streamflow data, U.S. Geol. Surv. Water Resour. Invest 79-5 1979
2. Belan , R. A. Hydrogeology of a portion of the Santa Catalina Mountains Tucson 1972
3. Belan , R. A. W. G. Matlock Groundwater recharge from a portion of the Santa Catalina Mountains 1973
4. The analysis of transformations;Box;J. R. Stat. Soc., Ser. B,1964