1. Guide for selecting Manning's roughness coefficients for natural channels and flood plains;Arcement;US Geol. Surv. Water Supply Pap. 2339,1989
2. Roughness characteristics of natural channels;Barnes;US Geol. Surv. Water-Supply Pap., 1849,1967
3. Linear Statistical Models: an Applied Approach;Bowerman,1990
4. Open-Channel Hydraulics;Chow,1959
5. Estimating hydraulic roughness coefficients;Cowan;Agric. Eng.,1956