1. Hydraulics of Open Channels;Bakhmeteff,1932
2. Discharge characteristics of the free overfall: use of crest section as a control provides easy means of measuring discharge;Rouse;Civ. Eng.,1936
3. Energy loss at the base of a free overfall;Moore;Trans. ASCE.,1943
4. Discussion on energy loss at the base of a free over-fall;White;Trans. ASCE.,1943
5. Hydraulics of rectangular vertical drop structures;Gill;J. Hydraul. Res.,1979