1. Boundary calculations of sluice and spillway flows;Cheng A. H-D.;J. Hydraul. Div., Am. Soc. Civ. Eng.,1981
2. On two-dimensional inviscid flow in a waterfall
3. Flow Measurement in Sloping Channels with Rectangular Free Overfall
4. Influence of slope and roughness on the free overfall;Delleur J. W.;J. Hydraul. Div., Am. Soc. Civ. Eng.,1956
5. Analysis of flows with initially unknown discharge;Diersch H. J.;J. Hydraul. Div., Am. Soc. Civ. Eng.,1977