1. BARNES, H. H. (1967). “Roughness Characteristics of Natural Channels.” U.S. Geological Survey, Water Supply Paper No. 1849, Washington, D.C.
2. “Statistical Methods in Hydrology.”;BEARD,1962
3. BEARD, L. R. (1966). “Optimization Techniques for Hydrologic Engineering.” Hydrologic Engineering Center, Technical Paper No. 2, U.S. Army Corps of Engineers, California.
4. BOHAN, J. P., and GRACE, J. L., JR. (1973). “Selective Withdrawal from Man-Made Lakes.” Hydraulic Laboratory Investigation, Technical Report H-73–4, U.S. Army Waterways Experiment Station, Mississippi.
5. Hydraulic Design Series No. 1, Federal Highway Administration;BRADLEY,1978