1. Discharge characteristics of the free overall;Rouse;Civil Eng, ASCE,1936
2. Brink depth for a circular channel”;Smith;J Hydraulic Div, ASCE,1962
3. End depth in circular channels;Dey;J Hydraulic Div, ASCE,1998
4. End depth for circular channels;Rajaratnam;J Hydraulic Div, ASCE,1964
5. Outflow characteristics from circular pipe;Clausnitzer;J Hydraulic Eng, ASCE,1997