1. Hydraulics of Open Channels;Bakhmeteff,1932
2. Discharge characteristics of the free overfall;Rouse;Civ. Eng.,1936
3. Energy loss at the base of free overfall;Moore;Trans. ASCE,1943
4. Discussion of energy loss at the base of free overfall by Walter L. Moore;White;Trans. ASCE,1943
5. Hydraulics of rectangular vertical drop structures;Gill;J. Hydraul. Res.,1979