1. Flow resistance estimation in mountain rivers;Bathurst;Journal of Hydraulic Engineering, ASCE,1985
2. Estimating average velocity in gravel-bed rivers;Bray;Journal of Hydraulic Engineering, ASCE,1979
3. Charlton F. G., Brown P. M., and Benson R. W. 1978, The hydraulic geometry of some gravel rivers in Britain. HR Wallingford Report. IT 180.
4. Flow resistance in coarse gravel bed rivers;Griffiths;Journal of Hydraulic Engineering, ASCE,1981
5. Bedload resistance in supercritical flow;Habibzadeh;International Journal of Sediment Research,2009