1. Barnes H. H. “Roughness Characteristics of Natural Channels ” Water Supply Paper 1849 United States Geological Survey Washington D.C. 1967.
2. Barnes H. H. and Davidian J. “Indirect Methods ” Hydrometry R. W. Herschy ed. John Wiley and Sons Ltd. New York N.Y. 1978 pp. 149–204.
3. Flow Resistance of Large-Scale Roughness
4. Bathurst J. C. “Theoretical Aspects of Flow Resistance ” Gravel‐Bed Rivers R. D. Hey J. C. Bathurst and C. R. Thome eds. John Wiley & Sons Ltd. New York N.Y. 1982 pp. 83–108.
5. Bathurst J. C. “Slope‐Area Discharge Gauging in Mountain Rivers ” Journal of Hydraulic Engineering ASCE in press.